VIR Vulnerability Intelligence Relay

CVE-2013-6462

critical
Published 2014-01-09 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.3

Description

Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

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
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1:1.4.7-1
sid Fixed 1:1.4.7-1
forky Fixed 1:1.4.7-1
bullseye Fixed 1:1.4.7-1
bookworm Fixed 1:1.4.7-1

Application impact
VendorProductVersionsFixed
xlibxfont1.1.0
xlibxfont1.2.0
xlibxfont1.2.1
xlibxfont1.2.2
xlibxfont1.2.3
xlibxfont1.2.4
xlibxfont1.2.5
xlibxfont1.2.6
xlibxfont1.2.7
xlibxfont1.2.8
xlibxfont1.2.9
xlibxfont1.3.0
xlibxfont1.3.1
xlibxfont1.3.2
xlibxfont1.3.3
xlibxfont1.3.4
xlibxfont1.4.0
xlibxfont1.4.1
xlibxfont1.4.2
xlibxfont1.4.3
xlibxfont1.4.4
xlibxfont1.4.5
xlibxfont1.4.6

References

CWEs

CWE-119

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

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