Is there a public exploit for CVE-2026-109096?

No public exploit for CVE-2026-109096 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-109096?

CVE-2026-109096 scores CVSS 5.5 (v3.1), rated medium.

What does CVE-2026-109096 affect?

CVE-2026-109096 affects X.org xwayland, xorg-x11-server.

5.5 Medium

Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15…

CVE-2026-109096

Incorrect handling of negative returns from ddQueryImageAttributes() when processing XvPutImage requests in X.Org xwayland before 24.1.15 and X Server before 21.1.26 could be used by authenticated X clients to crash the X server.

Assessment

CVSS: 5.5 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 13 November 2026
Last updated: 13 November 2026
Affected: X.org · xorg-x11-server · xwayland
Assigner: suse

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

At the source

EUVD (ENISA)

References

https://gitlab.freedesktop.org/xorg/xserver/-/commit/1376ac1f0edad6bd44dc6db3b4e49370a60d8e2f

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