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TI-2011-03645 Aliases CVE-2011-4128GHSA-frg2-36r7-7hpc

Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS…

Priority LOW 24CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Partial Red Hat: 11 fixed, 1 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 gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption, allows remote TLS servers to cause a denial of service (application crash) via a large SessionTicket.

Why it matters now

EPSS 0.023 83rd percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 11 fixed, 1 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 · 22

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:2.12.0:*:*:*:*:*:*:*2.12.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.1:*:*:*:*:*:*:*2.12.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.2:*:*:*:*:*:*:*2.12.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.3:*:*:*:*:*:*:*2.12.3VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.4:*:*:*:*:*:*:*2.12.4VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.5:*:*:*:*:*:*:*2.12.5VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.6:*:*:*:*:*:*:*2.12.6VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.6.1:*:*:*:*:*:*:*2.12.6.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.7:*:*:*:*:*:*:*2.12.7VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.8:*:*:*:*:*:*:*2.12.8VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:2.12.0:*:*:*:*:*:*:* Versions 2.12.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.1:*:*:*:*:*:*:* Versions 2.12.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.2:*:*:*:*:*:*:* Versions 2.12.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.3:*:*:*:*:*:*:* Versions 2.12.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.4:*:*:*:*:*:*:* Versions 2.12.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.5:*:*:*:*:*:*:* Versions 2.12.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.6:*:*:*:*:*:*:* Versions 2.12.6 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.6.1:*:*:*:*:*:*:* Versions 2.12.6.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.7:*:*:*:*:*:*:* Versions 2.12.7 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.8:*:*:*:*:*:*:* Versions 2.12.8 Vulnerable ·GNU
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:2.12.9:*:*:*:*:*:*:*2.12.9VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.10:*:*:*:*:*:*:*2.12.10VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.11:*:*:*:*:*:*:*2.12.11VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.12:*:*:*:*:*:*:*2.12.12VulnerableGNU
cpe:2.3:a:gnu:gnutls:2.12.13:*:*:*:*:*:*:*2.12.13VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.0:*:*:*:*:*:*:*3.0.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.1:*:*:*:*:*:*:*3.0.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.2:*:*:*:*:*:*:*3.0.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.3:*:*:*:*:*:*:*3.0.3VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.4:*:*:*:*:*:*:*3.0.4VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.5:*:*:*:*:*:*:*3.0.5VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.0.6:*:*:*:*:*:*:*3.0.6VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:2.12.9:*:*:*:*:*:*:* Versions 2.12.9 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.10:*:*:*:*:*:*:* Versions 2.12.10 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.11:*:*:*:*:*:*:* Versions 2.12.11 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.12:*:*:*:*:*:*:* Versions 2.12.12 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:2.12.13:*:*:*:*:*:*:* Versions 2.12.13 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Vulnerable ·GNU

Remediation

Red Hat 2 advisories

  • RHSA-2012:0429 Released 2012-03-27 · Red Hat rating Important
    gnutls security update
    • Red Hat Enterprise Linux Desktop (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-utils-2.8.5-4.el6_2.2
    • Red Hat Enterprise Linux Desktop Optional (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-devel-2.8.5-4.el6_2.2, gnutls-guile-2.8.5-4.el6_2.2
    • Red Hat Enterprise Linux HPC Node (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-utils-2.8.5-4.el6_2.2
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-devel-2.8.5-4.el6_2.2, gnutls-guile-2.8.5-4.el6_2.2
    • Red Hat Enterprise Linux Server (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-2.8.5-4.el6_2.2.ppc, gnutls-devel-2.8.5-4.el6_2.2 +2
    • Red Hat Enterprise Linux Server Optional (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-guile-2.8.5-4.el6_2.2, gnutls-guile-2.8.5-4.el6_2.2.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-devel-2.8.5-4.el6_2.2, gnutls-utils-2.8.5-4.el6_2.2
    • Red Hat Enterprise Linux Workstation Optional (v. 6) gnutls-2.8.5-4.el6_2.2, gnutls-guile-2.8.5-4.el6_2.2
  • RHSA-2012:0428 Released 2012-03-27 · Red Hat rating Important
    gnutls security update
    • RHEL Desktop Workstation (v. 5 client) gnutls-1.4.1-7.el5_8.2, gnutls-devel-1.4.1-7.el5_8.2, gnutls-devel-1.4.1-7.el5_8.2.i386
    • Red Hat Enterprise Linux (v. 5 server) gnutls-1.4.1-7.el5_8.2, gnutls-1.4.1-7.el5_8.2.i386, gnutls-1.4.1-7.el5_8.2.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 5 client) gnutls-1.4.1-7.el5_8.2, gnutls-1.4.1-7.el5_8.2.i386, gnutls-utils-1.4.1-7.el5_8.2 +1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:0428
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0428
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0428
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0429
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0429
Not affected: 1 product
  • Red Hat Enterprise Linux 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4128
  2. 2026-10-03 Alias added: GHSA-frg2-36r7-7hpc

References

Advisory 6

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