VIR Vulnerability Intelligence Relay

CVE-2013-4351

medium
Published 2013-10-10 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.8

Description

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.

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
OSVersionStatusFixed in
debian debianbookwormfixed2.0.22-1
debian debianbullseyefixed2.0.22-1
debian debianforkyfixed2.0.22-1
debian debiansidfixed2.0.22-1
debian debiantrixiefixed2.0.22-1

Application impact
VendorProductVersionsFixed
gnupggnupg1.4.0
gnupggnupg1.4.2
gnupggnupg1.4.3
gnupggnupg1.4.4
gnupggnupg1.4.5
gnupggnupg1.4.6
gnupggnupg1.4.8
gnupggnupg1.4.10
gnupggnupg1.4.11
gnupggnupg1.4.12
gnupggnupg1.4.13
gnupggnupg2.0
gnupggnupg2.0.1
gnupggnupg2.0.3
gnupggnupg2.0.4
gnupggnupg2.0.5
gnupggnupg2.0.6
gnupggnupg2.0.7
gnupggnupg2.0.8
gnupggnupg2.0.10
gnupggnupg2.0.11
gnupggnupg2.0.12
gnupggnupg2.0.13
gnupggnupg2.0.14
gnupggnupg2.0.15
gnupggnupg2.0.16
gnupggnupg2.0.17
gnupggnupg2.0.18
gnupggnupg2.0.19
gnupggnupg2.1.0

References

CWEs

CWE-310

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

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