SUSE-SU-2026:20753-1: moderate: Security update for protobuf

[SLE-SECURITY-UPDATES]

# Security update for protobuf

Announcement ID: SUSE-SU-2026:20753-1  
Release Date: 2026-03-18T17:09:44Z  
Rating: moderate  
References:

  * bsc#1244663
  * bsc#1244918
  * bsc#1257173

  
Cross-References:

  * CVE-2025-4565
  * CVE-2026-0994

  
CVSS scores:

  * CVE-2025-4565 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-4565 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-4565 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/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
  * CVE-2025-4565 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-0994 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-0994 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-0994 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/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 Micro 6.2

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

## Description:

This update for protobuf fixes the following issues:

Security fixes:

  * CVE-2025-4565: Fixed parsing of untrusted Protocol Buffers data containing
    an arbitrary number of recursive groups or messages that could lead to crash
    due to RecursionError (bsc#1244663).
  * CVE-2026-0994: Fixed google.protobuf.Any recursion depth bypass in Python
    json_format.ParseDict (bsc#1257173).

Other fixes:

  * Fixed import issues of reverse-dependency packages within the google
    namespace (bsc#1244918).

## 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 Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-408=1

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * libutf8_range-28_3_0-28.3-160000.3.1
    * protobuf-debugsource-28.3-160000.3.1
    * libutf8_range-28_3_0-debuginfo-28.3-160000.3.1
    * libprotobuf28_3_0-28.3-160000.3.1
    * libprotobuf28_3_0-debuginfo-28.3-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-4565.html
  * https://www.suse.com/security/cve/CVE-2026-0994.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1244663
  * https://bugzilla.suse.com/show_bug.cgi?id=1244918
  * https://bugzilla.suse.com/show_bug.cgi?id=1257173

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