Security update for python-cryptography

Announcement ID: SUSE-SU-2026:21021-1
Release Date: 2026-04-10T11:23:42Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-26007 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-26007 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2026-26007 ( NVD ): 8.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • CVE-2026-26007 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
  • CVE-2026-34073 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
  • CVE-2026-34073 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  • CVE-2026-34073 ( NVD ): 1.7 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
  • CVE-2026-34073 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products:
  • SUSE Linux Micro 6.2

An update that solves two vulnerabilities can now be installed.

Description:

This update for python-cryptography fixes the following issues:

  • CVE-2026-34073: Fixed X.509 bypass of name constraints on wildcard SANs with matching peer names. (bsc#1260876)
  • CVE-2026-26007: missing validation can lead to security issues for signature verification (ECDSA) and shared key negotiation (ECDH) (bsc#1258074).

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 Micro 6.2
    zypper in -t patch SUSE-SL-Micro-6.2-522=1

Package List:

  • SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    • python313-cryptography-debuginfo-44.0.3-160000.3.1
    • python313-cryptography-44.0.3-160000.3.1
    • python-cryptography-debugsource-44.0.3-160000.3.1

References: