SUSE-SU-2026:24460-1: important: Security update for expat

SLE-SECURITY-UPDATES null at suse.de
Fri Oct 30 16:30:19 UTC 2026 

# Security update for expat

Announcement ID: SUSE-SU-2026:24460-1  
Release Date: 2026-10-27T16:06:39Z  
Rating: important  
References:

  * bsc#1275115
  * bsc#1282347
  * bsc#1283493
  * bsc#1284334
  * jsc#PED-16154

  
Cross-References:

  * CVE-2026-102633
  * CVE-2026-32776
  * CVE-2026-32777
  * CVE-2026-32778
  * CVE-2026-56403
  * CVE-2026-56404
  * CVE-2026-56405
  * CVE-2026-77214
  * CVE-2026-93990

  
CVSS scores:

  * CVE-2026-102633 ( 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-2026-102633 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-102633 ( NVD ):  8.2
    CVSS:4.0/AV:N/AC:H/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-2026-102633 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32776 ( SUSE ):  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
  * CVE-2026-32776 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32776 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32776 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32777 ( SUSE ):  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
  * CVE-2026-32777 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32777 ( NVD ):  4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32777 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32778 ( 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-2026-32778 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-32778 ( NVD ):  2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-32778 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-56403 ( SUSE ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56403 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56403 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56404 ( SUSE ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56404 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56404 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56405 ( SUSE ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56405 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-56405 ( NVD ):  6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
  * CVE-2026-77214 ( SUSE ):  8.8
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-77214 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-77214 ( NVD ):  8.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:L/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-2026-77214 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
  * CVE-2026-93990 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
  * CVE-2026-93990 ( NVD ):  8.7
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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-2026-93990 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves nine vulnerabilities and contains one feature can now be
installed.

## Description:

This update for expat fixes the following issues:

  * CVE-2026-77214: out-of-bounds read due to insufficient checks in
    `XML_ParseBuffer()` (bsc#1284334).
  * CVE-2026-93990: fails to validate low surrogates following high surrogates
    in UTF-16 input (bsc#1282347).
  * CVE-2026-102633: denial of service via integer overflow in expat_realloc
    (bsc#1283493).

Changes for expat:

Update to 2.8.5 (jsc#PED-16154):

  * Bug fixes:
  * Fix an OOM-related memory leak on a failed overflow check
  * Fix memory alignment for architectures with 128bit pointers
  * Mark XML_SetHashSalt deprecated

## 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-6.2-1996

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * expat-debugsource-2.8.5-160000.1.1
    * libexpat1-debuginfo-2.8.5-160000.1.1
    * libexpat1-2.8.5-160000.1.1
    * expat-debuginfo-2.8.5-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-102633.html
  * https://www.suse.com/security/cve/CVE-2026-32776.html
  * https://www.suse.com/security/cve/CVE-2026-32777.html
  * https://www.suse.com/security/cve/CVE-2026-32778.html
  * https://www.suse.com/security/cve/CVE-2026-56403.html
  * https://www.suse.com/security/cve/CVE-2026-56404.html
  * https://www.suse.com/security/cve/CVE-2026-56405.html
  * https://www.suse.com/security/cve/CVE-2026-77214.html
  * https://www.suse.com/security/cve/CVE-2026-93990.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1275115
  * https://bugzilla.suse.com/show_bug.cgi?id=1282347
  * https://bugzilla.suse.com/show_bug.cgi?id=1283493
  * https://bugzilla.suse.com/show_bug.cgi?id=1284334
  * https://jira.suse.com/browse/PED-16154

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