CVE-2018-20712

high
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
8.0

Description

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

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 Affected 5 releases
VersionStatusFixed in
trixie Affected
sid Affected
forky Affected
bullseye Affected
bookworm Affected
suse SUSE Affected 1 release
VersionStatusFixed in
Affected
arch Arch Fixed 1 release
VersionStatusFixed in
Fixed 2.32-1

References

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

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