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openSUSE libslirp Moderate TCP Information Leak Fix Advisory 2026-2931-1

opensuse
Calendar Grey July 14, 2026
Dist Opensuse Esm H88
An update for openSUSE addresses a moderate security risk with libslirp, fixing an information leak vulnerability.
An update that solves one vulnerability can now be installed.

Description

This update for libslirp fixes the following issues:

* CVE-2026-9539: TCP URG out of bounds heap read information leak

(bsc#1268903).

Topics%20covered

Topics Covered

security advisory moderate information leak TCP OpenSUSE libslirp

Patch

## 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:

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2931=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2931=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2026-2931=1

Package List

* openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)

* libslirp-devel-4.7.0+44-150500.4.3.1

* libslirp-debugsource-4.7.0+44-150500.4.3.1

* libslirp0-debuginfo-4.7.0+44-150500.4.3.1

* libslirp0-4.7.0+44-150500.4.3.1

* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* libslirp-devel-4.7.0+44-150500.4.3.1

* libslirp0-debuginfo-4.7.0+44-150500.4.3.1

* libslirp0-4.7.0+44-150500.4.3.1

* libslirp-debugsource-4.7.0+44-150500.4.3.1

* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)

* libslirp0-4.7.0+44-150500.4.3.1

* libslirp-debugsource-4.7.0+44-150500.4.3.1

* libslirp0-debuginfo-4.7.0+44-150500.4.3.1

References

* bsc#1268903

## References:

* https://www.suse.com/security/cve/CVE-2026-9539.html

* https://bugzilla.suse.com/show_bug.cgi?id=1268903

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2931-1
Release Date: 2026-07-13T18:43:58Z
Affected Products: * Basesystem Module 15-SP7 * openSUSE Leap 15.5 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory moderate information leak TCP OpenSUSE libslirp

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