Hello Steve,

Thank you, that you're taking care of it.
Sorry, but maybe I didn't catch the right approach about the patching. Are you 
going to create a "fixing CVE" patch or just patch to set "CVE_PRODUCT" ?

Thanks,
Andrej

> On Tue, May 25, 2021 at 12:17 PM Richard Purdie 
> <[email protected]> wrote:
>>
>> On Tue, 2021-05-25 at 12:50 +0000, Andrej Valek wrote:
>> > Hello everyone,
>> >
>> > I have an another question regarding to backporting this to dunfell branch.
>> > Is it possible to apply this upgrade to this branch? I would like to 
>> > have an very important fix for CVE-2013-0340 
>> > (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fg
>> > ithub.com%2Flibexpat%2Flibexpat%2Fpull%2F220&amp;data=04%7C01%7Candr
>> > ej.valek%40siemens.com%7Cc9695097e1bc47d8261708d91fcbba17%7C38ae3bcd
>> > 95794fd4addab42e1495d55a%7C1%7C0%7C637575782123699324%7CUnknown%7CTW
>> > FpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVC
>> > I6Mn0%3D%7C1000&amp;sdata=jBk29qyJpIq%2BsG0iXhnMoSbv%2F2%2Bd8dKIbuV7
>> > GqP3YA8%3D&amp;reserved=0) there. But there is a lot of changes, 
>> > means just applying the patch is not very promising.
>> >
>> > How we can handle it?
>>
>> Adding Steve to Cc. It is possible if there is a good case for it and 
>> there aren't bad side effects from the change. I don't know enough 
>> about expat here to comment on that.
>
> Our responses crossed in the mail :-)
>
> I don't know enough about expat to comment on this either.  But if someone 
> who is familiar with expat would care to chime in I am open to consider 
> whether an exception should be made.
>
>> I suspect we should be adding something to the expat recipe to make it 
>> match libexpat CVEs, maybe CVE_PRODUCT = "libexpat"?
>
> Yes, good catch, that does appear to be the case.  I'll do a little testing 
> to verify that and will submit a patch.
>
> Steve
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