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Permalink CVE-2025-32989
5.3 MEDIUM
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): LOW
  • Privileges required (PR): NONE
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): LOW
  • Integrity impact (I): NONE
  • Availability impact (A): NONE
created 9 months, 1 week ago
Gnutls: vulnerability in gnutls sct extension parsing

A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT extension (OID 1.3.6.1.4.1.11129.2.4.2) that contains sensitive data. This issue leads to the exposure of confidential information when GnuTLS verifies certificates from certain websites when the certificate (SCT) is not checked correctly.

References

Affected products

rhcos
gnutls
  • *
libgnutls
  • <3.8.10
rhceph/rhceph-7-rhel9
  • *
discovery/discovery-ui-rhel9
  • *
insights-proxy/insights-proxy-container-rhel9
  • *

Matching in nixpkgs

pkgs.gnutls

GNU Transport Layer Security Library

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