CVE-2026-0716

Libsoup: out-of-bounds read in libsoup websocket frame processing

State: Published
Severity: 4.8 Medium
Published: Jan 13, 2026
Updated: Sep 16, 2026
Reserved: Jan 8, 2026

Description

A flaw was found in libsoup’s WebSocket frame processing when handling incoming messages. If a non-default configuration is used where the maximum incoming payload size is unset, the library may read memory outside the intended bounds. This can cause unintended memory exposure or a crash. Applications using libsoup’s WebSocket support with this configuration may be impacted.

Scores

CVSS	Score	Vector	Source
3.1	4.8 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L	redhat

Weaknesses

CWE-805 Buffer Access with Incorrect Length Value

Affected Products

Product	Versions
Red Hat Enterprise Linux 10Red Hat
Red Hat Enterprise Linux 6Red Hat
Red Hat Enterprise Linux 7Red Hat
Red Hat Enterprise Linux 8Red Hat
Red Hat Enterprise Linux 9Red Hat

References

https://access.redhat.com/security/cve/CVE-2026-0716vdb-entry
RHBZ#2427896issue-tracking
https://gitlab.gnome.org/GNOME/libsoup/-/issues/476

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