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SUSE: python-cbor2 Important Issues Fixed, CVE-2024-26134, 2025:21168-1

suse
Calendar Grey December 10, 2025
Dist Suse Esm H88
Update for python-cbor2 resolves critical issues, enhancing system security and preventing potential crashes via CVE-2024-26134.
* bsc#1220096 * bsc#1253746 Cross-References: * CVE-2024-26134

Summary

## This update for python-cbor2 fixes the following issues: * CVE-2025-64076: Fixed bug in decode_definite_long_string() that causes incorrect chunk length calculation (bsc#1253746). Already fixed in release 5.6.3: * CVE-2024-26134: Fixed potential crash when hashing a CBORTag (bsc#1220096). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-91=1 * SUSE Linux Enterprise Server for SAP Applications 16.0 zypper in -t patch SUSE-SLES-16.0-91=1 ## Package List: * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64) * python-cbor2-debugsource-5.6.5-160000.3.1

Topics%20covered

Topics Covered

security advisory remote exploit SuSE important data integrity python-cbor2

References

* bsc#1220096

* bsc#1253746

Cross-

* CVE-2024-26134

* CVE-2025-64076

CVSS scores:

* CVE-2024-26134 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26134 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-64076 ( SUSE ): 5.2

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:L/SI:N/SA:N

* CVE-2025-64076 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:H

* CVE-2025-64076 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP Applications 16.0

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2024-26134.html

* https://www.suse.com/security/cve/CVE-2025-64076.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:21168-1
Release Date: 2025-12-02T13:51:41Z
Rating: important

Topics%20covered

Topics Covered

security advisory remote exploit SuSE important data integrity python-cbor2

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