Your message dated Fri, 04 Sep 2026 21:38:16 +0000
with message-id <[email protected]>
and subject line Bug#1143600: fixed in sssd 2.13.1-2
has caused the Debian Bug report #1143600,
regarding sssd: CVE-2026-68742 CVE-2026-68744
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1143600: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1143600
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: sssd
Version: 2.12.0-4
Severity: grave
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi,
The following vulnerabilities were published for sssd.
There is litte information available, can you check the upstream
status please and report back? Are they known, are they already fixed?
CVE-2026-68742[0]:
| A flaw was found in SSSD. The sss_nss_protocol_parse_addr() function
| in the NSS responder does not validate the addrlen field against the
| remaining packet body size. A local attacker can exploit this via a
| crafted GETHOSTBYADDR request to the NSS responder socket, causing
| an out-of-bounds read and process crash, resulting in a denial of
| service.
CVE-2026-68744[1]:
| A flaw was found in SSSD. The sss_nss_protocol_fill_initgr()
| function in the NSS responder pre-allocates reply space for all
| group entries but does not shrink the packet when groups are
| skipped, causing uninitialized heap bytes to be transmitted to the
| client. A local attacker can exploit this to disclose cached
| directory data and heap layout information from the sssd_nss
| process.
If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.
For further information see:
[0] https://security-tracker.debian.org/tracker/CVE-2026-68742
https://www.cve.org/CVERecord?id=CVE-2026-68742
[1] https://security-tracker.debian.org/tracker/CVE-2026-68744
https://www.cve.org/CVERecord?id=CVE-2026-68744
Regards,
Salvatore
--- End Message ---
--- Begin Message ---
Source: sssd
Source-Version: 2.13.1-2
Done: Mike Gabriel <[email protected]>
We believe that the bug you reported is fixed in the latest version of
sssd, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Mike Gabriel <[email protected]> (supplier of updated sssd package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
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Hash: SHA512
Format: 1.8
Date: Fri, 04 Sep 2026 15:54:27 +0200
Source: sssd
Architecture: source
Version: 2.13.1-2
Distribution: unstable
Urgency: medium
Maintainer: Debian SSSD Team <[email protected]>
Changed-By: Mike Gabriel <[email protected]>
Closes: 1143600 1143947
Changes:
sssd (2.13.1-2) unstable; urgency=medium
.
* debian/patches: Add CVE-2026-68742.diff, CVE-2026-68743.diff, and CVE-
2026-68744.diff. (Closes: #1143600, #1143947).
CVE-2026-68742: nss: validate addrlen in sss_nss_protocol_parse_addr()
CVE-2026-68743: pam: validate auth_token_length in extract_authtok_v1()
CVE-2026-68744: NSS: fix initgroups packet heap disclosure
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