SUSE alert openSUSE-SU-2026:20419-1 (python-pyopenssl)

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null@suse.de
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security-announce@lists.opensuse.org
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openSUSE-SU-2026:20419-1: important: Security update for python-pyOpenSSL
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Sat, 28 Mar 2026 17:51:58 +0100
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<20260328165158.803CAFD57@maintenance.suse.de>
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Article
openSUSE security update: security update for python-pyopenssl
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20419-1
Rating: important
References:

  * bsc#1259804
  * bsc#1259808



Cross-References:

  * CVE-2026-27448
  * CVE-2026-27459



CVSS scores:

  * CVE-2026-27448 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-27448 ( 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-2026-27459 ( SUSE ): 7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  * CVE-2026-27459 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 2 vulnerabilities and has 2 bug fixes can now be installed.

Description:

This update for python-pyOpenSSL fixes the following issues:

- CVE-2026-27448: unhandled exception can result in connection not being cancelled (bsc#1259804).
- CVE-2026-27459: large cookie value can lead to a buffer overflow (bsc#1259808).


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-16.0-439=1

Package List:

- openSUSE Leap 16.0:

  python313-pyOpenSSL-25.0.0-160000.3.1

References:

  * https://www.suse.com/security/cve/CVE-2026-27448.html
  * https://www.suse.com/security/cve/CVE-2026-27459.html