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openSUSE Leap 16.0 libsoup Important Use-After-Free CVE-2026-4271

opensuse
Calendar Grey June 1, 2026
Dist Opensuse Esm H88
Critical update for openSUSE Leap fixing important vulnerability in libsoup to enhance security and stability.
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 important libsoup OpenSUSE use-after-free CVE-2026-4271

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 important libsoup OpenSUSE use-after-free CVE-2026-4271

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