VIR Vulnerability Intelligence Relay

CVE-2016-7944

critical
Published 2016-12-13 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.8

Description

Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.

Predictions

Exploit likelihood
97%
Patch ETA
—

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
fedora Fedora Affected 2 releases
VersionStatusFixed in
25 Affected —
24 Affected —
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1:5.0.3-1
sid Fixed 1:5.0.3-1
forky Fixed 1:5.0.3-1
bullseye Fixed 1:5.0.3-1
bookworm Fixed 1:5.0.3-1

Application impact
VendorProductVersionsFixed
x.orglibxfixes{"endIncluding":"5.0.2"}

References

CWEs

CWE-190 CWE-264

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

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