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Vulnerability IntelligenceSUSE-SU-2026:21946-1

SUSE-SU-2026:21946-1

HIGH8.6

Security update for libsoup

Published Jun 1, 2026

Modified 1 weeks ago

Fix available

Details

Description of the patch:

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).

Affected Packages

libsoup-3_0-0

SUSE Linux Micro 6.0

Fixed in:

3.4.2-15.1

References

https://bugzilla.suse.com/1259767

https://lists.suse.com/pipermail/sle-security-updates/2026-June/026448.html

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

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-202621946-1/

CVSS Analysis

CVSS v3.1

8.6

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

HighA:H

8.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Upstream

Ecosystems

SUSE Linux Micro 6.0

Timeline

PublishedJun 1, 2026

ModifiedJun 1, 2026

SUSE-SU-2026:21946-1 | Mondoo Vulnerability Intelligence