SUSE-SU-2026:5126-1: important: Security update for mozilla-nss

[SLE-SECURITY-UPDATES]

# Security update for mozilla-nss

Announcement ID: SUSE-SU-2026:5126-1  
Release Date: 2026-11-06T08:27:12Z  
Rating: important  
References:

  * bsc#1286261
  * bsc#1289144

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that has two security fixes can now be installed.

## Description:

This update for mozilla-nss fixes the following issue:

  * remove compromised eMudhra Intermediates CA (bsc#1286261).

Changes for mozilla-nss:

  * update to NSS 3.125.1 (bsc#1289144):
  * bmo#2088196 - backport nssckbi 2.92.
  * bmo#2082793 - Don't cache sessions when ECH was rejected.
  * bmo#2082792 - Keep DTLS handshake messages whole in the send buffer.
  * bmo#2082077 - Initialize sftk_MACCtx in sftk_MAC_Init.
  * bmo#2082027 - reorder session context setup in sftk_doMACInit.
  * bmo#2054723 - harden against integer overflows in lowpbe.c.
  * bmo#2054697 - fix AES GCM parameter serialization in
    pk11_GetPBECryptoMechanism.
  * bmo#2054695 - handle HMAC truncation when using PK11_Digest* APIs.
  * bmo#2054616 - reject short ciphertexts in sec_pkcs5_rc2.

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-5126

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-5126

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * mozilla-nss-debuginfo-3.125.1-58.152.1
    * mozilla-nss-devel-3.125.1-58.152.1
    * mozilla-nss-certs-3.125.1-58.152.1
    * libsoftokn3-3.125.1-58.152.1
    * mozilla-nss-certs-debuginfo-3.125.1-58.152.1
    * mozilla-nss-tools-debuginfo-3.125.1-58.152.1
    * libfreebl3-debuginfo-3.125.1-58.152.1
    * mozilla-nss-sysinit-3.125.1-58.152.1
    * mozilla-nss-sysinit-debuginfo-3.125.1-58.152.1
    * mozilla-nss-tools-3.125.1-58.152.1
    * libfreebl3-3.125.1-58.152.1
    * libsoftokn3-debuginfo-3.125.1-58.152.1
    * mozilla-nss-debugsource-3.125.1-58.152.1
    * mozilla-nss-3.125.1-58.152.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libsoftokn3-32bit-3.125.1-58.152.1
    * mozilla-nss-sysinit-32bit-3.125.1-58.152.1
    * mozilla-nss-32bit-3.125.1-58.152.1
    * libfreebl3-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-sysinit-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-certs-debuginfo-32bit-3.125.1-58.152.1
    * libsoftokn3-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-certs-32bit-3.125.1-58.152.1
    * libfreebl3-32bit-3.125.1-58.152.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * mozilla-nss-certs-3.125.1-58.152.1
    * mozilla-nss-devel-3.125.1-58.152.1
    * mozilla-nss-tools-debuginfo-3.125.1-58.152.1
    * libsoftokn3-debuginfo-3.125.1-58.152.1
    * mozilla-nss-tools-3.125.1-58.152.1
    * mozilla-nss-debuginfo-3.125.1-58.152.1
    * mozilla-nss-certs-debuginfo-3.125.1-58.152.1
    * mozilla-nss-32bit-3.125.1-58.152.1
    * libfreebl3-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-sysinit-debuginfo-32bit-3.125.1-58.152.1
    * libsoftokn3-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-sysinit-3.125.1-58.152.1
    * mozilla-nss-debugsource-3.125.1-58.152.1
    * libsoftokn3-32bit-3.125.1-58.152.1
    * libsoftokn3-3.125.1-58.152.1
    * mozilla-nss-sysinit-32bit-3.125.1-58.152.1
    * libfreebl3-debuginfo-3.125.1-58.152.1
    * mozilla-nss-certs-debuginfo-32bit-3.125.1-58.152.1
    * mozilla-nss-sysinit-debuginfo-3.125.1-58.152.1
    * libfreebl3-3.125.1-58.152.1
    * mozilla-nss-certs-32bit-3.125.1-58.152.1
    * mozilla-nss-3.125.1-58.152.1
    * libfreebl3-32bit-3.125.1-58.152.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1286261
  * https://bugzilla.suse.com/show_bug.cgi?id=1289144

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