CVE-2014-8091

medium

Published 2014-12-10 · Modified 2026-05-06

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

4.3

Description

X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2:1.16.2.901-1`
debian	bullseye	fixed	`2:1.16.2.901-1`
debian	forky	fixed	`2:1.16.2.901-1`
debian	sid	fixed	`2:1.16.2.901-1`
debian	trixie	fixed	`2:1.16.2.901-1`

Application impact

Vendor	Product	Versions	Fixed
x.org	x_server	`{"endIncluding":"1.16.2"}`
x.org	x11	`5.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.