VIR Vulnerability Intelligence Relay

CVE-2012-5854

high
Published 2012-11-19 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.5

Description

Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.

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 0.3.9.1-1
sid Fixed 0.3.9.1-1
forky Fixed 0.3.9.1-1
bullseye Fixed 0.3.9.1-1
bookworm Fixed 0.3.9.1-1

Application impact
VendorProductVersionsFixed
flashtuxweechat0.3.6
flashtuxweechat0.3.7
flashtuxweechat0.3.8
flashtuxweechat0.3.9

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.