VIR Vulnerability Intelligence Relay

CVE-2013-1981

medium
Published 2013-06-15 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
6.8

Description

Multiple integer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XQueryFont, (2) _XF86BigfontQueryFont, (3) XListFontsWithInfo, (4) XGetMotionEvents, (5) XListHosts, (6) XGetModifierMapping, (7) XGetPointerMapping, (8) XGetKeyboardMapping, (9) XGetWindowProperty, (10) XGetImage, (11) LoadColornameDB, (12) XrmGetFileDatabase, (13) _XimParseStringFile, or (14) TransFileName functions.

Predictions

Exploit likelihood
20%
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
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
13.04 Affected —
12.10 Affected —
12.04 Affected —
10.04 Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 2:1.5.0-1+deb7u1
sid Fixed 2:1.5.0-1+deb7u1
forky Fixed 2:1.5.0-1+deb7u1
bullseye Fixed 2:1.5.0-1+deb7u1
bookworm Fixed 2:1.5.0-1+deb7u1

Application impact
VendorProductVersionsFixed
xlibx11{"endIncluding":"1.5.99.901"}
xlibx111.5.0

References

CWEs

CWE-189

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

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