Read the docs
TI-2016-06341 Aliases CVE-2016-7444GHSA-3ccg-r3xv-q4cg

The gnutls_ocsp_resp_check_crt function in lib/x509/ocsp.c in GnuTLS before 3.4.15 and…

Priority LOW 37CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

The gnutls_ocsp_resp_check_crt function in lib/x509/ocsp.c in GnuTLS before 3.4.15 and 3.5.x before 3.5.4 does not verify the serial length of an OCSP response, which might allow remote attackers to bypass an intended certificate validation mechanism via vectors involving trailing bytes left by gnutls_malloc.

Why it matters now

EPSS 0.02437 84th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 5

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*up to 3.4.14VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.5.0:*:*:*:*:*:*:*3.5.0VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.5.1:*:*:*:*:*:*:*3.5.1VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.5.2:*:*:*:*:*:*:*3.5.2VulnerableGNU
cpe:2.3:a:gnu:gnutls:3.5.3:*:*:*:*:*:*:*3.5.3VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* Versions up to 3.4.14 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.5.0:*:*:*:*:*:*:* Versions 3.5.0 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.5.2:*:*:*:*:*:*:* Versions 3.5.2 Vulnerable ·GNU
  • cpe:2.3:a:gnu:gnutls:3.5.3:*:*:*:*:*:*:* Versions 3.5.3 Vulnerable ·GNU

Remediation

Red Hat 1 advisory

  • RHSA-2017:2292 Released 2017-08-01 · Red Hat rating Moderate
    gnutls security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) gnutls-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7, gnutls-utils-3.3.26-9.el7
    • Red Hat Enterprise Linux Client Optional (v. 7) gnutls-c++-3.3.26-9.el7, gnutls-devel-3.3.26-9.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) gnutls-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7, gnutls-utils-3.3.26-9.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) gnutls-c++-3.3.26-9.el7, gnutls-devel-3.3.26-9.el7
    • Red Hat Enterprise Linux Server (v. 7) gnutls-3.3.26-9.el7, gnutls-3.3.26-9.el7.ppc, gnutls-c++-3.3.26-9.el7 +6
    • Red Hat Enterprise Linux Workstation (v. 7) gnutls-3.3.26-9.el7, gnutls-c++-3.3.26-9.el7, gnutls-dane-3.3.26-9.el7 +2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:2292
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:2292
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:2292
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:2292
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:2292
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:2292
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-7444
  2. 2026-10-03 Alias added: GHSA-3ccg-r3xv-q4cg

References

Patch 1

Advisory 4

  • 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