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TI-2004-02401 Aliases CVE-2004-2531GHSA-2xmw-23qh-mjvr

X.509 Certificate Signature Verification in Gnu transport layer security library (GnuTLS)…

Priority LOW 37Published · 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 · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

X.509 Certificate Signature Verification in Gnu transport layer security library (GnuTLS) 1.0.16 allows remote attackers to cause a denial of service (CPU consumption) via certificates containing long chains and signed with large RSA keys.

Why it matters now

EPSS 0.01685 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:gnu:gnutls:1.0.16:*:*:*:*:*:*:*1.0.16VulnerableGNU
  • cpe:2.3:a:gnu:gnutls:1.0.16:*:*:*:*:*:*:* Versions 1.0.16 Vulnerable ·GNU

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-2531
  2. 2026-10-03 Alias added: GHSA-2xmw-23qh-mjvr

References

Patch 2

Other 1

  • 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