SUSE alert openSUSE-SU-2026:0095-1 (python-cbor2)

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maintenance@opensuse.org
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openSUSE-SU-2026:0095-1: important: Security update for python-cbor2
Date:
             
 
Wed, 25 Mar 2026 15:04:44 +0100
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<20260325140444.EB39FFD57@maintenance.suse.de>
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Article

   openSUSE Security Update: Security update for python-cbor2
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2026:0095-1
Rating:             important
References:         #1260367 
Cross-References:   CVE-2026-26209
CVSS scores:
                    CVE-2026-26209 (SUSE): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Products:
                    openSUSE Backports SLE-15-SP7
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for python-cbor2 fixes the following issues:

   - CVE-2026-26209: Fixed uncontrolled recursion via crafted CBOR payloads
     that could cause a denial of service (boo#1260367)


Patch Instructions:

   To install this openSUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - openSUSE Backports SLE-15-SP7:

      zypper in -t patch openSUSE-2026-95=1



Package List:

   - openSUSE Backports SLE-15-SP7 (aarch64 i586 ppc64le s390x x86_64):

      python311-cbor2-5.5.1-bp157.2.6.1


References:

   https://www.suse.com/security/cve/CVE-2026-26209.html
   https://bugzilla.suse.com/1260367