SUSE-SU-2026:23589-1: important: Security update for emacs

[SLE-SECURITY-UPDATES]

# Security update for emacs

Announcement ID: SUSE-SU-2026:23589-1  
Release Date: 2026-08-31T11:52:13Z  
Rating: important  
References:

  * bsc#1271643
  * bsc#1275927
  * bsc#1275941
  * bsc#1276264

  
Cross-References:

  * CVE-2026-77219
  * CVE-2026-79992

  
CVSS scores:

  * CVE-2026-77219 ( SUSE ):  7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  * CVE-2026-77219 ( NVD ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/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-2026-77219 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
  * CVE-2026-79992 ( SUSE ):  7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  * CVE-2026-79992 ( NVD ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

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

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

## Description:

This update for emacs fixes the following issues:

Security issues fixed:

  * Arbitrary code execution when opening a specially crafted file
    (bsc#1275941).
  * CVE-2026-77219: integer overflow in the PBM/PPM/PGM image loader leads to
    heap memory content leaks when a crafted image with large dimensions and an
    elevated max color index is processed (bsc#1276264).
  * CVE-2026-79992: improper argument sanitization in TRAMP leads to arbitrary
    code execution via crafted filenames (bsc#1275927).

Other updates and bugfixes:

  * Fix memory leak in wayland port (bsc#1271643).

## 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-16.0-1568

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-1568

## Package List:

  * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
    * emacs-nox-debuginfo-30.2-160000.3.1
    * etags-30.2-160000.3.1
    * emacs-x11-debuginfo-30.2-160000.3.1
    * etags-debuginfo-30.2-160000.3.1
    * emacs-30.2-160000.3.1
    * emacs-nox-30.2-160000.3.1
    * emacs-x11-30.2-160000.3.1
    * emacs-eln-30.2-160000.3.1
    * emacs-debuginfo-30.2-160000.3.1
  * SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
    * emacs-el-30.2-160000.3.1
    * emacs-info-30.2-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
    * emacs-nox-debuginfo-30.2-160000.3.1
    * etags-30.2-160000.3.1
    * emacs-x11-debuginfo-30.2-160000.3.1
    * etags-debuginfo-30.2-160000.3.1
    * emacs-30.2-160000.3.1
    * emacs-nox-30.2-160000.3.1
    * emacs-x11-30.2-160000.3.1
    * emacs-eln-30.2-160000.3.1
    * emacs-debuginfo-30.2-160000.3.1
  * SUSE Linux Enterprise Server 16.0 (noarch)
    * emacs-el-30.2-160000.3.1
    * emacs-info-30.2-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-77219.html
  * https://www.suse.com/security/cve/CVE-2026-79992.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1271643
  * https://bugzilla.suse.com/show_bug.cgi?id=1275927
  * https://bugzilla.suse.com/show_bug.cgi?id=1275941
  * https://bugzilla.suse.com/show_bug.cgi?id=1276264

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