openSUSE-SU-2026:21685-1: moderate: Security update for python-cryptography

openSUSE security update: security update for python-cryptography
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Announcement ID: openSUSE-SU-2026:21685-1
Rating: moderate
References:

  * bsc#1273516
  * bsc#1273549
  * bsc#1273551



Cross-References:

  * CVE-2026-69247
  * CVE-2026-69248
  * CVE-2026-69249



CVSS scores:

  * CVE-2026-69247 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  * CVE-2026-69247 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-69248 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
  * CVE-2026-69248 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-69249 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-69249 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

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An update that solves 3 vulnerabilities and has 3 bug fixes can now be installed.

Description:

This update for python-cryptography fixes the following issues:

- CVE-2026-69247: PKCS#7 `EnvelopedData` decryption exposes a Bleichenbacher oracle through distinguishable errors and
  timing (bsc#1273551).
- CVE-2026-69248: verifier accepts wildcard DNS names allowing escape from `permittedSubtrees` (bsc#1273549).
- CVE-2026-69249: duplicate self-signed intermediates can cause exponential path-building (bsc#1273516).


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 Leap 16.0

   zypper in -t patch openSUSE-Leap-16.0-1541=1

Package List:

- openSUSE Leap 16.0:

  python313-cryptography-44.0.3-160000.5.1

References:

  * https://www.suse.com/security/cve/CVE-2026-69247.html
  * https://www.suse.com/security/cve/CVE-2026-69248.html
  * https://www.suse.com/security/cve/CVE-2026-69249.html