VIR Vulnerability Intelligence Relay

CVE-2016-6313

medium
Published 2016-12-13 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
5.3

Description

The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by leveraging knowledge of the previous 4640 bits.

Predictions

Exploit likelihood
63%
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
suse slesaffected
debian debianbookwormfixed1.4.21-1
debian debianbullseyefixed1.4.21-1
debian debianforkyfixed1.4.21-1
debian debiansidfixed1.4.21-1
debian debiantrixiefixed1.4.21-1
debian debian8.0affected
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu16.04affected

Application impact
VendorProductVersionsFixed
gnupglibgcrypt{"endIncluding":"1.5.3"}
gnupglibgcrypt1.6.0
gnupglibgcrypt1.6.1
gnupglibgcrypt1.6.2
gnupglibgcrypt1.6.3
gnupglibgcrypt1.6.4
gnupglibgcrypt1.6.5
gnupglibgcrypt1.7.0
gnupglibgcrypt1.7.1
gnupglibgcrypt1.7.2
gnupggnupg{"endIncluding":"1.4.14"}

References

CWEs

CWE-200

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

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