Thanks Christopher.

> But, if you are going to do a final 3.8 release, you might as well bump 
> logback/slf4j
> just like the other branches


That’s the key takeaway for me I think. Easiest thing to do with this is to 
backport the same upgrade patch that we did for master/3.9. I’ll do it on 3.8 
as well.

After 3.9.4 I’ll create a new 3.8.5 release anyways, because our rule is that 
we can only EoL a release line 6 months after making the next one stable. So, 
we should release 3.10.0 first, make 3.9 stable, announce that 3.8 will be EoL 
in 6 months.

Thanks,
Andor




> On Aug 14, 2025, at 15:28, Christopher <ctubb...@apache.org> wrote:
> 
> I provided some feedback on
> https://github.com/apache/zookeeper/pull/2293 . Initially, I thought
> the PR was for newer versions. I didn't realize it was intended for
> 3.8, and most of my code review was assuming that it was for 3.10. I
> really wouldn't bother changing this for 3.8. I think it's enough to
> just advise users to upgrade to 3.9, and warn them about the potential
> risks using the logging dependencies that ship with 3.8 so they can
> apply their own mitigations, as needed. I don't even think it's
> necessary to release another 3.8... just announce it as EOL without
> any new/final 3.8 releases. 3.9 has been available for some time, and
> is at least as stable as 3.8. Users should be upgrading to 3.9 instead
> of continuing to update 3.8 versions.
> 
> On Wed, Aug 13, 2025 at 10:44 PM Andor Molnar <an...@apache.org> wrote:
>> 
>> Thanks Kezhu, I can support this approach too, but Christopher might have 
>> some concerns. Let’s see if I understand it well.
>> 
>> TL;DR
>> 
>> - change logback-classic to test scope,
> 
> Except in the assemblies. It is still needed in at least
> <scope>runtime</scope> to be included in an assembly.
> 
>> - use “flatten-maven-plugin” to drop it from published pom (also drop the 
>> jar from release artifacts)
> 
> I don't see the point of using flatten-maven-plugin. The dependency
> entries in the POM only matter in two ways:
> 
> 1. Dependencies can be included in downstream projects transitively.
> This can be avoided by setting <optional>true</optional> or changing
> the scope to <scope>test</scope>. Alternatively, downstream projects
> can add `<exclusions>` entries for dependencies on zookeeper, or
> override the version in their own <dependencyManagement> section.
> Flattening the POM in ZK is not helpful for any of this.
> 2. Dependencies in the POM are used to build the tarball/zip/fatjar
> assemblies. You don't need to use flatten-maven-plugin to exclude
> dependencies from an assembly. All plugins that create assemblies
> already have their own means to exclude a dependency.
> 
>> - bump logback / slf4j version to secure ones: 1.3.x, 2.0.x
>> - do the above on all branches: master, 3.9, 3.8
>> - create new releases
> 
> I don't think it's necessary to do another release of 3.8... I think
> it can just be marked EOL without another release. But, if you are
> going to do a final 3.8 release, you might as well bump logback/slf4j
> just like the other branches.
> 
>> 
>> Did I miss anything?
>> 
>> Andor
>> 
>> 
>> 
>>> On Aug 13, 2025, at 20:29, Kezhu Wang <kez...@gmail.com> wrote:
>>> 
>>> Hi all,
>>> 
>>> ZooKeeper delivers two shapes of artifacts to clients:
>>> 1. Java library mainly for client usage.
>>> 2. Deployable java server application.
>>> 
>>> I think we could take different actions based on usage.
>>> 1. For library usage, ZooKeeper depends only on `slf4j-api` and should
>>> not ship any log framework dependencies. I saw ZOOKEEPER-4820[1],
>>> there are discussions to mark `logback-classic` as optional runtime
>>> dependency[2]. I would suggest we change it to test scope and use
>>> maven plugin "flatten-maven-plugin" to drop test dependencies from
>>> published pom.xml to express the fact that zookeeper library does not
>>> depend on nor prefer concrete log frameworks. This way, the library
>>> usage would not be affected by any CVEs of logback.
>>> 2. For application usage, ZooKeeper ships both slf4j and logback. I
>>> think we can bump both in zookeeper-assembly and add release notes to
>>> highlight the consequence of this change.
>>> 
>>> After the above actions, there is only one possible breaking change
>>> for application usage: administrators have to check possible
>>> customized log dependencies in zookeeper deployment to meet slf4j
>>> requirements, otherwise there will be "no provider" warning from slf4j
>>> and hence no logs. I think the risk is pretty low, it affects only
>>> deployments with customized log dependencies which should be taken
>>> care of by administrators themselves.
>>> 
>>> Regarding replacing logback with slf4j-simple, I think it is ok for
>>> tests. But will it cause much bigger breaking change than bumping
>>> slf4j and logback for application artifacts ?
>>> 
>>> Best,
>>> Kezhu Wang
>>> 
>>> [1]: https://issues.apache.org/jira/browse/ZOOKEEPER-4820
>>> [2]: https://github.com/apache/zookeeper/pull/2155#discussion_r1559857699
>>> 
>>> 
>>> On Thu, Aug 14, 2025 at 2:22 AM Enrico Olivelli <eolive...@gmail.com> wrote:
>>>> 
>>>> Il Mer 13 Ago 2025, 19:56 Andor Molnar <an...@apache.org> ha scritto:
>>>> 
>>>>> I’ve created a PR to attempt to replace logback with slf4j-simple. We do
>>>>> have some test code relying on logback’s appenders, but we might be able 
>>>>> to
>>>>> replace it with a basic output stream.
>>>>> 
>>>>> https://github.com/apache/zookeeper/pull/2293
>>>>> 
>>>>> 
>>>>> ptal.
>>>>> 
>>>> 
>>>> Overall I agree with the approach. I left a couple of questions about the
>>>> impact on client users and server system admins
>>>> 
>>>> I am +1 to release 3.10 and send 3.8 to EOL
>>>> 
>>>> 
>>>> 
>>>> Thanks
>>>> Enrico
>>>> 
>>>> 
>>>>> 
>>>>> Andor
>>>>> 
>>>>> 
>>>>> 
>>>>>> On Aug 12, 2025, at 15:58, Christopher <ctubb...@apache.org> wrote:
>>>>>> 
>>>>>> I would NOT ship with reload4j in new releases. That exists only as a
>>>>>> temporary workaround for the lack of patch support for log4j 1.2,
>>>>>> until one is able to update to log4j2 or something else. ZK is already
>>>>>> using something else (logback). Neither log4j 1.2 nor reload4j are
>>>>>> appropriate for use with slf4j2. If a log4j implementation is desired,
>>>>>> a log4j 2.x version should be used. Using reload4j would be a step in
>>>>>> the wrong direction.
>>>>>> 
>>>>>> However, since ZK uses slf4j-api in code, I would ship *only* with
>>>>>> slf4j-simple as the trivial reference implementation, and let users
>>>>>> determine their own runtime logging dependency and configuration,
>>>>>> which can be trivially swapped in place of slf4j-simple. This is
>>>>>> basically what I argued when logback was being considered to replace
>>>>>> log4j/reload4j a few years ago, but others preferred logback.
>>>>>> 
>>>>>> One thing to consider is that, if I remember correctly, logback is
>>>>>> used as a test dependency for some build tests. It is easier to run
>>>>>> those tests with logback than it is to do it with another runtime
>>>>>> dependency. It is possible to have the tests run using logback, but
>>>>>> still ship with slf4j-simple instead of logback, but it may take some
>>>>>> careful attention to the Maven pom.xml files to ensure the desired
>>>>>> result (let's call this the "split dependency" option). It is
>>>>>> certainly easier to stay with logback ("single dependency option"),
>>>>>> but just update it to a newer version, than to modify the Maven build
>>>>>> to ship something different than what is used in testing, but both
>>>>>> options are technically possible.
>>>>>> 
>>>>>> 
>>>>>> On Fri, Aug 8, 2025 at 5:19 PM Andor Molnar <an...@apache.org> wrote:
>>>>>>> 
>>>>>>> Yeah, I totally agree.
>>>>>>> 
>>>>>>> The plan to go forward after getting 3.9.4 out of the door is to either
>>>>> remove logback from branch-3.8 and replace it with something simpler like
>>>>> slf4j-simple or reload4j since we ship the logback dependency as an
>>>>> example. Though I’m not sure if slf4j-simple is an option for us, I have 
>>>>> to
>>>>> try it out in action.
>>>>>>> 
>>>>>>> The other option is to announce EoL on branch-3.8 and encourage users
>>>>> to upgrade to 3.9.4. At the same time we have to create a 3.10.0 release
>>>>> off the main branch or maybe 4.0.0. I don't have a strong opinion here
>>>>> either, but I’m pretty confident that we should drop Java 8 support in the
>>>>> next “current” release.
>>>>>>> 
>>>>>>> Andor
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>> On Aug 8, 2025, at 15:05, Christopher <ctubb...@apache.org> wrote:
>>>>>>>> 
>>>>>>>> I don't think the upgrade to slf4j 2 is purely a semantic one. I think
>>>>>>>> there are genuine incompatibilities, but probably not too many. For
>>>>>>>> example, slf4j2 drops support for Java 7 (probably not a problem for
>>>>>>>> ZK, since I think Java 8 is already a requirement), and it switches
>>>>>>>> the binding mechanisms, so that if somebody was using a different
>>>>>>>> sfl4j runtime other than logback, then it probably won't work anymore
>>>>>>>> without additional changes on the user's part.
>>>>>>>> 
>>>>>>>> I think the switch on 3.9 is probably okay, but users should be warned
>>>>>>>> that their logging will probably break if they had used a different
>>>>>>>> runtime binding for slf4j other than the logback version that ships
>>>>>>>> with ZK.
>>>>>>>> 
>>>>>>>> As for the differences between logback 1.2 and 1.3, I have no idea...
>>>>>>>> it's probably fine, since ZK is mainly just using it via slf4j-api
>>>>>>>> anyway, rather than using it directly, but I'd start getting concerned
>>>>>>>> that 1.3 is also no longer being developed. ZK should probably get
>>>>>>>> ahead of that on the master branch by requiring Java 11, and using
>>>>>>>> logback 1.5 there, if it hasn't been done already. Or else this
>>>>>>>> question of switching from logback 1.2 to 1.3 is going to come up
>>>>>>>> again soon when there's a CVE found against 1.3 and you have to switch
>>>>>>>> to 1.5 and Java 11.... certainly don't want to do that in a bugfix
>>>>>>>> release from the ZK 3.9 branch.
>>>>>>>> 
>>>>>>>> On Thu, Aug 7, 2025 at 9:41 AM Andor Molnar <an...@apache.org> wrote:
>>>>>>>>> 
>>>>>>>>> Considering all of this I’ll upgrade logback + slf4j to 1.3/2.0 on
>>>>> the 3.9 branch today and proceed with the release. 3.9 is the current
>>>>> release line and I think this step is still acceptable at this stage. I
>>>>> won’t do the same on the stable (3.8) branch and we should talk about
>>>>> EoL’ing soon in a separate thread.
>>>>>>>>> 
>>>>>>>>> Andor
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>> On Aug 6, 2025, at 19:56, Andor Molnar <an...@apache.org> wrote:
>>>>>>>>>> 
>>>>>>>>>> "The 1.2.x series for logback-core and logback-classic has been
>>>>> deprecated for several years and is no longer maintained. As such, use of
>>>>> the 1.2.x series is discouraged.”
>>>>>>>>>> 
>>>>>>>>>> "Logback version 1.3.15 is the latest in the 1.3.x series. It
>>>>> requires SLF4J version 2.0.x and JDK 8. Please note that the 1.3.x series
>>>>> is no loger actively developed.”
>>>>>>>>>> 
>>>>>>>>>> "The current actively developed version of logback-core and
>>>>> logback-classic is 1.5.18. It requires JDK 11 and SLF4J version 2.0.1 at
>>>>> runtime.”
>>>>>>>>>> 
>>>>>>>>>> Looks like our only option is 1.3.x, but once we drop JDK 8 support
>>>>> (3.10.x maybe?), we’ll be able to upgrade to 1.5.
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>>> On Aug 6, 2025, at 19:52, Andor Molnar <an...@apache.org> wrote:
>>>>>>>>>>> 
>>>>>>>>>>> I cannot upgrade logback without upgrading slf4j as well. Build
>>>>> fails.
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>>> On Aug 6, 2025, at 17:07, Patrick Hunt <ph...@apache.org> wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>> Is slf4j really needed for security?
>>>>>>>>>>>> 
>>>>>>>>>>>> Only cve I see here is from 2018...
>>>>>>>>>>>> https://www.slf4j.org/news.html
>>>>>>>>>>>> 
>>>>>>>>>>>> Should we revert the slf4j change in its entirety/all branches
>>>>> until it can
>>>>>>>>>>>> be made in a b/w compatible way?
>>>>>>>>>>>> 
>>>>>>>>>>>> Patrick
>>>>>>>>>>>> 
>>>>>>>>>>>> On Wed, Aug 6, 2025 at 2:59 PM Andor Molnar <an...@apache.org>
>>>>> wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>>> Maybe the slf4j upgrade (1.7.30 -> 2.0.13) has higher impact,
>>>>> because it’s
>>>>>>>>>>>>> a major upgrade. Logback is just an example of how to do logging
>>>>> with
>>>>>>>>>>>>> ZooKeeper real life setups probably replace it with something
>>>>> else like
>>>>>>>>>>>>> log4j2. The logging facade (slf4j) could have bw incompatible
>>>>> changes that
>>>>>>>>>>>>> will force users to make changes related to logging on their
>>>>> classpath.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> I’m speculating and haven’t checked slf4j for details.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Andor
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>>> On Aug 6, 2025, at 16:46, Patrick Hunt <ph...@apache.org> wrote:
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Is the only problem the minor "semantic" upgrade of logback in a
>>>>> fix
>>>>>>>>>>>>>> release of zk? That should be stable (contract wise) on the
>>>>> dependency,
>>>>>>>>>>>>>> right? Or is there some real impact, eg b/w incompat change
>>>>> visible to ZK
>>>>>>>>>>>>>> users? If the former that seems fine, if the latter then we have
>>>>> a harder
>>>>>>>>>>>>>> problem to address. (security issue breaking b/w compat)
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Patrick
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> On Wed, Aug 6, 2025 at 2:36 PM Andor Molnar <an...@apache.org>
>>>>> wrote:
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> Sorry for the confusion, I picked 3.8 as an example, but
>>>>> logback/slf4j
>>>>>>>>>>>>>>> upgrades haven’t been backported to 3.9 either. Therefore I
>>>>> created the
>>>>>>>>>>>>>>> following backport PR:
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> https://github.com/apache/zookeeper/pull/2290
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> "Why would they be applied to master and not to any active
>>>>> (release)
>>>>>>>>>>>>>>> line?
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> Since we’ve already released 3.9.3 with logback 1.2.13 and
>>>>> don’t want
>>>>>>>>>>>>>>> users to realize 1.2->1.3 logback upgrade in a 3.9.3->3.9.4
>>>>> ZooKeeper
>>>>>>>>>>>>>>> upgrade process, although this upgrade is necessary anyways to
>>>>> address
>>>>>>>>>>>>> the
>>>>>>>>>>>>>>> CVE in question.
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> (in my understanding)
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> On Aug 6, 2025, at 15:34, Patrick Hunt <ph...@apache.org>
>>>>> wrote:
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> I'm confused - this thread started with "OWASP reports CVEs on
>>>>> the 3.8
>>>>>>>>>>>>>>>> branch and noticed in the PRs that we should only upgrade
>>>>> logback on
>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>> master branch" - I read that as "some fixes on 3.9 are not
>>>>> backported
>>>>>>>>>>>>> to
>>>>>>>>>>>>>>>> 3.8". But you are saying that this is not fixed (still owasp
>>>>> warnings)
>>>>>>>>>>>>> on
>>>>>>>>>>>>>>>> 3.9 which is separate from master? Why would they be applied
>>>>> to master
>>>>>>>>>>>>>>> and
>>>>>>>>>>>>>>>> not to any active (release) line? What is the impact of the
>>>>> changes on
>>>>>>>>>>>>>>>> master and 3.9? iiuc there are backward incompatible changes
>>>>> if applied
>>>>>>>>>>>>>>> to
>>>>>>>>>>>>>>>> 3.8? There should not be b/w incompatible changes applied to
>>>>> any 3.x
>>>>>>>>>>>>>>> (incl
>>>>>>>>>>>>>>>> master, a future 3.x...) release.
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> Patrick
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> On Wed, Aug 6, 2025 at 1:16 PM Andor Molnar <an...@apache.org>
>>>>> wrote:
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> Yeah, that would remove the burden of maintaining the 3.8
>>>>> version
>>>>>>>>>>>>> line,
>>>>>>>>>>>>>>>>> but 3.9.x versions still don’t have logback and slf4j
>>>>> upgraded, still
>>>>>>>>>>>>>>>>> flagged by the Owasp build and users will probably still
>>>>> complain
>>>>>>>>>>>>> about
>>>>>>>>>>>>>>>>> CVEs.
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> My question is what should we do on branches other than the
>>>>> master?
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 1. Backport logback and slf4j upgrades from master, or
>>>>>>>>>>>>>>>>> 2. Add Owasp suppression rule to skip checking these libraries
>>>>>>>>>>>>>>> completely.
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> I need to answer this question before going forward with the
>>>>> 3.9.4
>>>>>>>>>>>>>>> release.
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> On Aug 6, 2025, at 13:39, Christopher <ctubb...@apache.org>
>>>>> wrote:
>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> +1 to that idea.
>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> The releases page[1] says "Apache ZooKeeper 3.9.3 is our
>>>>> current
>>>>>>>>>>>>>>>>>> release, and 3.8.4 our latest stable release". Is 3.9
>>>>> sufficiently
>>>>>>>>>>>>>>>>>> stable to replace 3.8 as the current "stable"? If the answer
>>>>> is yes,
>>>>>>>>>>>>>>>>>> then I think it makes sense to EOL 3.8.
>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> [1]: https://zookeeper.apache.org/releases.html#download
>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>> On Mon, Aug 4, 2025 at 2:52 PM Patrick Hunt <
>>>>> ph...@apache.org>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>> Should we sunset that minor release due to the "unfixable"
>>>>> security
>>>>>>>>>>>>>>>>> issue
>>>>>>>>>>>>>>>>>>> and EOL of dependenc(ies)?
>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>> Patrick
>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>> On Mon, Aug 4, 2025 at 10:03 AM Andor Molnar <
>>>>> an...@apache.org>
>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> Yeah, I agree with that, but we can’t leave things here
>>>>> just like
>>>>>>>>>>>>>>> that.
>>>>>>>>>>>>>>>>>>>> Either we should keep updating the logging libraries on
>>>>> all active
>>>>>>>>>>>>>>>>> branches
>>>>>>>>>>>>>>>>>>>> or add the necessary suppression to Owasp. Otherwise the
>>>>> report
>>>>>>>>>>>>>>> result
>>>>>>>>>>>>>>>>> will
>>>>>>>>>>>>>>>>>>>> be completely meaningless.
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>> On Aug 4, 2025, at 08:21, Christopher <
>>>>> ctubb...@apache.org>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>> Yes, that is basically my concern. I commented at
>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>> https://github.com/apache/zookeeper/pull/2290#issuecomment-3145955665
>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>> On Fri, Aug 1, 2025, 18:43 Andor Molnar <an...@apache.org>
>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> Christopher raised concern about it in
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>> https://github.com/apache/zookeeper/pull/2162#pullrequestreview-2037135095
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> I suspect because SLF4j has to be major upgraded with
>>>>> logback 1.x
>>>>>>>>>>>>>>> ->
>>>>>>>>>>>>>>>>> 2.x
>>>>>>>>>>>>>>>>>>>>>> which should not be done in bugfix releases.
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> I’m not sure. Maybe we should just add another Owasp
>>>>> suppression,
>>>>>>>>>>>>>>> but
>>>>>>>>>>>>>>>>>>>> that
>>>>>>>>>>>>>>>>>>>>>> wouldn’t be appropriate either.
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> On Jul 30, 2025, at 18:39, Andor Molnar <
>>>>> an...@apache.org>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> That’s my understanding too, but looks like folks
>>>>> skipped even
>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>>> 3.9
>>>>>>>>>>>>>>>>>>>>>> backport in the case of logback.
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>> On Jul 30, 2025, at 16:36, Patrick Hunt <
>>>>> ph...@apache.org>
>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>> My understanding, I thought the rule was to backport
>>>>> any patch
>>>>>>>>>>>>> to
>>>>>>>>>>>>>>>>> all
>>>>>>>>>>>>>>>>>>>> of
>>>>>>>>>>>>>>>>>>>>>>>> the active releases unless it's a new feature. Perhaps
>>>>> ask the
>>>>>>>>>>>>>>>>> folks
>>>>>>>>>>>>>>>>>>>> who
>>>>>>>>>>>>>>>>>>>>>>>> committed?
>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>> Patrick
>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>> On Wed, Jul 30, 2025 at 2:06 PM Andor Molnar <
>>>>> an...@apache.org
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> Hi folks,
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> Currently I’m working on some backports, because
>>>>> OWASP reports
>>>>>>>>>>>>>>>>> CVEs
>>>>>>>>>>>>>>>>>>>> on
>>>>>>>>>>>>>>>>>>>>>> the
>>>>>>>>>>>>>>>>>>>>>>>>> 3.8 branch and noticed in the PRs that we should only
>>>>> upgrade
>>>>>>>>>>>>>>>>> logback
>>>>>>>>>>>>>>>>>>>>>> on
>>>>>>>>>>>>>>>>>>>>>>>>> the master branch. Why is that?
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> logback-core-1.2.13.jar
>>>>>>>>>>>>>>>>> (pkg:maven/ch.qos.logback/logback-core@1.2.13
>>>>>>>>>>>>>>>>>>>> ,
>>>>>>>>>>>>>>>>>>>>>>>>> cpe:2.3:a:qos:logback:1.2.13:*:*:*:*:*:*:*) :
>>>>> CVE-2024-12798,
>>>>>>>>>>>>>>>>>>>>>> CVE-2024-12801
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>>>>>>>>>>>>> Andor
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>> 
>>>>>>> 
>>>>> 
>>>>> 
>> 

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