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openSUSE Leap 16.0 libslirp Moderate TCP Leak Vulnerability 2026-21216-1

opensuse
Calendar Grey July 3, 2026
Dist Opensuse Esm H88
A security update for openSUSE addresses a moderate flaw in libslirp, resolving a TCP information leak issue.
An update that solves one vulnerability and has one bug fix can now be installed.

Description

This update for libslirp fixes the following issue

- CVE-2026-9539: TCP URG out of bounds heap read information leak (bsc#1268903).

Patch instructions:

To install this openSUSE security update use the suse recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 16.0

zypper in -t patch openSUSE-Leap-16.0-1142=1

Topics%20covered

Topics Covered

security advisory moderate information leak OpenSUSE libslirp tcp leak

Patch

Package List

- openSUSE Leap 16.0:

libslirp-devel-4.8.0+2-160000.3.1

libslirp0-4.8.0+2-160000.3.1

References

* bsc#1268903

References:

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

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:21216-1
Rating: moderate
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory moderate information leak OpenSUSE libslirp tcp leak

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