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openSUSE Leap 16.0 libsoup Important Use After Free Vuln 2026-20845-1

opensuse
Calendar Grey June 1, 2026
Dist Opensuse Esm H88
Critical update for openSUSE Leap fixes important libsoup vulnerability related to use-after-free issue.
An update that solves one vulnerability and has one bug fix can now be installed.

Description

This update for libsoup fixes the following issue

- CVE-2026-4271: use-after-free in the HTTP/2 server when user signal handlers disconnect connections during callback

execution (bsc#1259767).

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-16.0-826=1

Topics%20covered

Topics Covered

security advisory DoS important libsoup OpenSUSE use-after-free

Patch

Package List

- openSUSE Leap 16.0:

libsoup-3_0-0-3.6.6-160000.2.1

libsoup-devel-3.6.6-160000.2.1

libsoup-lang-3.6.6-160000.2.1

typelib-1_0-Soup-3_0-3.6.6-160000.2.1

References

* bsc#1259767

References:

* https://www.suse.com/security/cve/CVE-2026-4271.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2026:20845-1
Rating: important
Affected Products: openSUSE Leap 16.0 -------------------------------------------------------------

Topics%20covered

Topics Covered

security advisory DoS important libsoup OpenSUSE use-after-free

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