Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 592
Alerts This Week
Warning Icon 1 592

SUSE libxml2 Important Stack Overflow Vulnerability 2026-3095-1

suse
Calendar Grey July 17, 2026
Scroller Suse
This update for libxml2 addresses a significant buffer overflow issue. Install it to protect your systems from potential attacks.
SUSE has released a security update for libxml2, addressing a critical vulnerability (CVE-2026-11979) related to buffer overflows in the xmlcatalog utility, applicable to multiple ...

Summary

## This update for libxml2 fixes the following issue * CVE-2026-11979: stack-based buffer overflows in the `xmlcatalog` utility when running in `--shell` mode (bsc#1269790). ## 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 Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-3095=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-3095=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3095=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important libxml2 OpenSUSE

References

* bsc#1269790

Cross-

* CVE-2026-11979

CVSS scores:

* CVE-2026-11979 ( SUSE ): 7.1

CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-11979 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-11979 ( NVD ): 1.8

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:L/SI:L/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-2026-11979 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

* SUSE Linux Enterprise Micro 5.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:3095-1
Release Date: 2026-07-17T11:38:38Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important libxml2 OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.