SUSE-SU-2026:21431-1: moderate: Security update for python-PyNaCl

[SLE-UPDATES]

# Security update for python-PyNaCl

Announcement ID: SUSE-SU-2026:21431-1  
Release Date: 2026-04-29T14:15:43Z  
Rating: moderate  
References:

  * bsc#1161557
  * bsc#1199282
  * bsc#1255764
  * jsc#SLE-24629

  
Cross-References:

  * CVE-2025-69277

  
CVSS scores:

  * CVE-2025-69277 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
  * CVE-2025-69277 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
  * CVE-2025-69277 ( NVD ):  4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP applications 16.0

  
  
An update that solves one vulnerability, contains one feature and has two fixes
can now be installed.

## Description:

This update for python-PyNaCl fixes the following issues:

Security fixes:

  * CVE-2025-69277: incorrect validation of elliptic curve points certain custom
    cryptography or untrusted data to crypto_core_ed25519_is_valid_point
    function (bsc#1255764).

Other fixes:

  * update to 1.6.2 (bsc#1255764, CVE-2025-69277):
  * Updated libsodium to 1.0.20-stable (2025-12-31 build)
  * Update to 1.6.1
  * The `MAKE` environment variable can now be used to specify the `make` binary
    that should be used in the build process.
  * update to 1.6.0:
  * BACKWARDS INCOMPATIBLE: Removed support for Python 3.6 and 3.7.
  * Added support for the low level AEAD AES bindings.
  * Added support for crypto_core_ed25519_from_uniform.
  * Update libsodium to 1.0.20-stable (2025-08-27 build).
  * Added support for free-threaded Python 3.14.
  * Added support for Windows on ARM wheels.
  * Update in SLE-15 (bsc#1199282, jsc#PM-3243, jsc#SLE-24629)
  * python-PyNaCl requires python-cffi [bsc#1161557]

## 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 for SAP applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-658=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-658=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * python313-PyNaCl-debuginfo-1.6.2-160000.1.1
    * python-PyNaCl-debugsource-1.6.2-160000.1.1
    * python313-PyNaCl-1.6.2-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * python313-PyNaCl-debuginfo-1.6.2-160000.1.1
    * python-PyNaCl-debugsource-1.6.2-160000.1.1
    * python313-PyNaCl-1.6.2-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-69277.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1161557
  * https://bugzilla.suse.com/show_bug.cgi?id=1199282
  * https://bugzilla.suse.com/show_bug.cgi?id=1255764
  * https://jira.suse.com/browse/SLE-24629

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