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TI-2014-02793 Aliases CVE-2014-3466GHSA-cc2g-hj2r-x228

Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS…

Priority MEDIUM 43CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 18 fixed, 2 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a long session id in a ServerHello message.

Why it matters now

EPSS 0.11221 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 18 fixed, 2 without a fix

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 · 47

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:*:*:*:*:*:*:*:*up to 3.1.24VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*3.1.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*3.1.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*3.1.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*3.1.3VulnerableGNU
  • 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:*:*:*:*:*:*:*:* Versions up to 3.1.24 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:* Versions 3.1.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:* Versions 3.1.3 Vulnerable ·GNU
Show 37 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:*3.1.4VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.5:*:*:*:*:*:*:*3.1.5VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.6:*:*:*:*:*:*:*3.1.6VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.7:*:*:*:*:*:*:*3.1.7VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.8:*:*:*:*:*:*:*3.1.8VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.9:*:*:*:*:*:*:*3.1.9VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.10:*:*:*:*:*:*:*3.1.10VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.11:*:*:*:*:*:*:*3.1.11VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.12:*:*:*:*:*:*:*3.1.12VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.13:*:*:*:*:*:*:*3.1.13VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.14:*:*:*:*:*:*:*3.1.14VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.15:*:*:*:*:*:*:*3.1.15VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.16:*:*:*:*:*:*:*3.1.16VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.17:*:*:*:*:*:*:*3.1.17VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.18:*:*:*:*:*:*:*3.1.18VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.19:*:*:*:*:*:*:*3.1.19VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.20:*:*:*:*:*:*:*3.1.20VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.21:*:*:*:*:*:*:*3.1.21VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.22:*:*:*:*:*:*:*3.1.22VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.1.23:*:*:*:*:*:*:*3.1.23VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.0:*:*:*:*:*:*:*3.2.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.1:*:*:*:*:*:*:*3.2.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.2:*:*:*:*:*:*:*3.2.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.3:*:*:*:*:*:*:*3.2.3VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.4:*:*:*:*:*:*:*3.2.4VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.5:*:*:*:*:*:*:*3.2.5VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.6:*:*:*:*:*:*:*3.2.6VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.7:*:*:*:*:*:*:*3.2.7VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.8:*:*:*:*:*:*:*3.2.8VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.8.1:*:*:*:*:*:*:*3.2.8.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.9:*:*:*:*:*:*:*3.2.9VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.10:*:*:*:*:*:*:*3.2.10VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.11:*:*:*:*:*:*:*3.2.11VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.12:*:*:*:*:*:*:*3.2.12VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.12.1:*:*:*:*:*:*:*3.2.12.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.13:*:*:*:*:*:*:*3.2.13VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.2.14:*:*:*:*:*:*:*3.2.14VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:* Versions 3.1.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.5:*:*:*:*:*:*:* Versions 3.1.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.6:*:*:*:*:*:*:* Versions 3.1.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.7:*:*:*:*:*:*:* Versions 3.1.7 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.8:*:*:*:*:*:*:* Versions 3.1.8 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.9:*:*:*:*:*:*:* Versions 3.1.9 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.10:*:*:*:*:*:*:* Versions 3.1.10 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.11:*:*:*:*:*:*:* Versions 3.1.11 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.12:*:*:*:*:*:*:* Versions 3.1.12 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.13:*:*:*:*:*:*:* Versions 3.1.13 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.14:*:*:*:*:*:*:* Versions 3.1.14 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.15:*:*:*:*:*:*:* Versions 3.1.15 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.16:*:*:*:*:*:*:* Versions 3.1.16 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.17:*:*:*:*:*:*:* Versions 3.1.17 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.18:*:*:*:*:*:*:* Versions 3.1.18 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.19:*:*:*:*:*:*:* Versions 3.1.19 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.20:*:*:*:*:*:*:* Versions 3.1.20 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.21:*:*:*:*:*:*:* Versions 3.1.21 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.22:*:*:*:*:*:*:* Versions 3.1.22 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.1.23:*:*:*:*:*:*:* Versions 3.1.23 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.0:*:*:*:*:*:*:* Versions 3.2.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.2:*:*:*:*:*:*:* Versions 3.2.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.3:*:*:*:*:*:*:* Versions 3.2.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.4:*:*:*:*:*:*:* Versions 3.2.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.5:*:*:*:*:*:*:* Versions 3.2.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.6:*:*:*:*:*:*:* Versions 3.2.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.7:*:*:*:*:*:*:* Versions 3.2.7 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.8:*:*:*:*:*:*:* Versions 3.2.8 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.8.1:*:*:*:*:*:*:* Versions 3.2.8.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.9:*:*:*:*:*:*:* Versions 3.2.9 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.10:*:*:*:*:*:*:* Versions 3.2.10 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.11:*:*:*:*:*:*:* Versions 3.2.11 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.12:*:*:*:*:*:*:* Versions 3.2.12 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.12.1:*:*:*:*:*:*:* Versions 3.2.12.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.13:*:*:*:*:*:*:* Versions 3.2.13 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.2.14:*:*:*:*:*:*:* Versions 3.2.14 Vulnerable ·GNU

Remediation

Red Hat 4 advisories

  • RHSA-2014:0815 Released 2014-06-30 · Red Hat rating Important
    rhev-hypervisor6 security update
    • RHEV Hypervisor for RHEL-6 rhev-hypervisor6-6.5-20140624.0.el6ev
  • RHSA-2014:0684 Released 2014-06-10 · Red Hat rating Important
    gnutls security update
    • Red Hat Enterprise Linux Client (v. 7) gnutls-3.1.18-9.el7_0, gnutls-dane-3.1.18-9.el7_0, gnutls-utils-3.1.18-9.el7_0
    • Red Hat Enterprise Linux Client Optional (v. 7) gnutls-c++-3.1.18-9.el7_0, gnutls-devel-3.1.18-9.el7_0
    • Red Hat Enterprise Linux ComputeNode (v. 7) gnutls-3.1.18-9.el7_0, gnutls-dane-3.1.18-9.el7_0, gnutls-utils-3.1.18-9.el7_0
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) gnutls-c++-3.1.18-9.el7_0, gnutls-devel-3.1.18-9.el7_0
    • Red Hat Enterprise Linux Server (v. 7) gnutls-3.1.18-9.el7_0, gnutls-3.1.18-9.el7_0.ppc, gnutls-c++-3.1.18-9.el7_0 +6
    • Red Hat Enterprise Linux Workstation (v. 7) gnutls-3.1.18-9.el7_0, gnutls-c++-3.1.18-9.el7_0, gnutls-dane-3.1.18-9.el7_0 +2
  • RHSA-2014:0594 Released 2014-06-03 · Red Hat rating Important
    gnutls security update
    • Red Hat Enterprise Linux (v. 5 server) gnutls-1.4.1-16.el5_10, gnutls-1.4.1-16.el5_10.i386, gnutls-1.4.1-16.el5_10.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 5 client) gnutls-1.4.1-16.el5_10, gnutls-1.4.1-16.el5_10.i386, gnutls-utils-1.4.1-16.el5_10 +1
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) gnutls-1.4.1-16.el5_10, gnutls-devel-1.4.1-16.el5_10, gnutls-devel-1.4.1-16.el5_10.i386
Show 1 more Red Hat advisories
  • RHSA-2014:0595 Released 2014-06-03 · Red Hat rating Important
    gnutls security update
    • Red Hat Enterprise Linux Desktop (v. 6) gnutls-2.8.5-14.el6_5, gnutls-utils-2.8.5-14.el6_5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) gnutls-2.8.5-14.el6_5, gnutls-devel-2.8.5-14.el6_5, gnutls-guile-2.8.5-14.el6_5
    • Red Hat Enterprise Linux HPC Node (v. 6) gnutls-2.8.5-14.el6_5, gnutls-utils-2.8.5-14.el6_5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) gnutls-2.8.5-14.el6_5, gnutls-devel-2.8.5-14.el6_5, gnutls-guile-2.8.5-14.el6_5
    • Red Hat Enterprise Linux Server (v. 6) gnutls-2.8.5-14.el6_5, gnutls-2.8.5-14.el6_5.ppc, gnutls-devel-2.8.5-14.el6_5 +2
    • Red Hat Enterprise Linux Server Optional (v. 6) gnutls-2.8.5-14.el6_5, gnutls-guile-2.8.5-14.el6_5, gnutls-guile-2.8.5-14.el6_5.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) gnutls-2.8.5-14.el6_5, gnutls-devel-2.8.5-14.el6_5, gnutls-utils-2.8.5-14.el6_5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) gnutls-2.8.5-14.el6_5, gnutls-guile-2.8.5-14.el6_5

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
RHEV Hypervisor for RHEL-6Fixed RHSA-2014:0815
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2014:0594
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2014:0594
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2014:0594
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0595
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2014:0684
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:0595

Timeline

  1. 2026-10-02 Threatist record created from CVE-2014-3466
  2. 2026-10-03 Alias added: GHSA-cc2g-hj2r-x228

References

Exploit 2

Advisory 11

Other 7

  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
  • TI-2026-03321 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison CVSS 3.1HIGH 7.4
  • TI-2024-00525 Gnutls: rejects certificate chain with distributed trust CVSS 3.1HIGH 7.5
  • TI-2023-00345 Observable discrepancy in gnutls CVSS 3.1HIGH 7.4
  • TI-2019-02841 Use after free in gnutls CVSS 3.0HIGH 7.5
  • TI-2017-03378 Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before… CVSS 3.0CRITICAL 9.8
See all 73 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences