SUSE-SU-2026:21357-1: moderate: Security update for rust1.94

[SLE-UPDATES]

# Security update for rust1.94

Announcement ID: SUSE-SU-2026:21357-1  
Release Date: 2026-04-20T14:46:54Z  
Rating: moderate  
References:

  * bsc#1259623
  * bsc#1261876

  
Cross-References:

  * CVE-2026-31812

  
CVSS scores:

  * CVE-2026-31812 ( 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
  * CVE-2026-31812 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-31812 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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

  
Affected Products:

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

  
  
An update that solves one vulnerability and has one fix can now be installed.

## Description:

This update for rust1.94 fixes the following issues:

Changes in rust1.94:

  * Don't force gcc-15 on SLE-16 and higher (bsc#1261876)

Update to rust1.94.1:

  * Release notes can be found externally: https://github.com/rust-
    lang/rust/releases/tag/1.94.1

  * Avoid unwrapping varint decoding during parameters parsing (bsc#1259623
    CVE-2026-31812).

  * Release notes can be found externally: https://github.com/rust-
    lang/rust/releases/tag/1.94.0

## 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-16.0-593=1

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-593=1

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * cargo1.94-debuginfo-1.94.1-160000.1.1
    * rust1.94-debuginfo-1.94.1-160000.1.1
    * cargo1.94-1.94.1-160000.1.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (nosrc ppc64le
    x86_64)
    * rust1.94-1.94.1-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * cargo1.94-debuginfo-1.94.1-160000.1.1
    * rust1.94-debuginfo-1.94.1-160000.1.1
    * cargo1.94-1.94.1-160000.1.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64 nosrc)
    * rust1.94-1.94.1-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-31812.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1259623
  * https://bugzilla.suse.com/show_bug.cgi?id=1261876

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