CVE-2015-6251

medium
Published 2015-08-24 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.0

Description

Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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 debianbookwormfixed3.3.17-1
debian debianbullseyefixed3.3.17-1
debian debianforkyfixed3.3.17-1
debian debiansidfixed3.3.17-1
debian debiantrixiefixed3.3.17-1
debian debian8.0affected

Application impact

VendorProductVersionsFixed
gnugnutls3.3.0
gnugnutls3.3.1
gnugnutls3.3.2
gnugnutls3.3.3
gnugnutls3.3.4
gnugnutls3.3.5
gnugnutls3.3.6
gnugnutls3.3.7
gnugnutls3.3.8
gnugnutls3.3.9
gnugnutls3.3.10
gnugnutls3.3.11
gnugnutls3.3.12
gnugnutls3.3.13
gnugnutls3.3.14
gnugnutls3.3.15
gnugnutls3.3.16
gnugnutls3.4.0
gnugnutls3.4.1
gnugnutls3.4.2
gnugnutls3.4.3

References

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

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