Read the docs
TI-2015-05243 Aliases CVE-2015-6251GHSA-63p6-5792-gpfq

Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote…

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Will not fix Red Hat: no fix planned

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.19178 97th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 23

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:3.3.0:-:*:*:*:*:*:*3.3.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.0:pre0:*:*:*:*:*:*3.3.0 pre0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.1:*:*:*:*:*:*:*3.3.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.2:*:*:*:*:*:*:*3.3.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.3:*:*:*:*:*:*:*3.3.3VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.4:*:*:*:*:*:*:*3.3.4VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.5:*:*:*:*:*:*:*3.3.5VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.6:*:*:*:*:*:*:*3.3.6VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.7:*:*:*:*:*:*:*3.3.7VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.8:*:*:*:*:*:*:*3.3.8VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:3.3.0:-:*:*:*:*:*:* Versions 3.3.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.0:pre0:*:*:*:*:*:* Versions 3.3.0 pre0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.1:*:*:*:*:*:*:* Versions 3.3.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.4:*:*:*:*:*:*:* Versions 3.3.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.5:*:*:*:*:*:*:* Versions 3.3.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.6:*:*:*:*:*:*:* Versions 3.3.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.7:*:*:*:*:*:*:* Versions 3.3.7 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.8:*:*:*:*:*:*:* Versions 3.3.8 Vulnerable ·GNU
Show 13 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:3.3.9:*:*:*:*:*:*:*3.3.9VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.10:*:*:*:*:*:*:*3.3.10VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.11:*:*:*:*:*:*:*3.3.11VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.12:*:*:*:*:*:*:*3.3.12VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.13:*:*:*:*:*:*:*3.3.13VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.14:*:*:*:*:*:*:*3.3.14VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.15:*:*:*:*:*:*:*3.3.15VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.3.16:*:*:*:*:*:*:*3.3.16VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.4.0:*:*:*:*:*:*:*3.4.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.4.1:*:*:*:*:*:*:*3.4.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.4.2:*:*:*:*:*:*:*3.4.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.4.3:*:*:*:*:*:*:*3.4.3VulnerableGNU
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:gnu:gnutls:3.3.9:*:*:*:*:*:*:* Versions 3.3.9 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.10:*:*:*:*:*:*:* Versions 3.3.10 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.11:*:*:*:*:*:*:* Versions 3.3.11 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.12:*:*:*:*:*:*:* Versions 3.3.12 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.13:*:*:*:*:*:*:* Versions 3.3.13 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.14:*:*:*:*:*:*:* Versions 3.3.14 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.15:*:*:*:*:*:*:* Versions 3.3.15 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.3.16:*:*:*:*:*:*:* Versions 3.3.16 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.4.0:*:*:*:*:*:*:* Versions 3.4.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.4.1:*:*:*:*:*:*:* Versions 3.4.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.4.2:*:*:*:*:*:*:* Versions 3.4.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.4.3:*:*:*:*:*:*:* Versions 3.4.3 Vulnerable ·GNU
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-6251
  2. 2026-10-03 Alias added: GHSA-63p6-5792-gpfq

References

Sources