Gnutls: vulnerability in gnutls othername san export

6.5 CVSS

Vulnerability Description

A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject Alternative Name (SAN) entries containing an otherName. If the type-id OID is invalid or malformed, GnuTLS will call asn1_delete_structure() on an ASN.1 node it does not own, leading to a double-free condition when the parent function or caller later attempts to free the same structure. This vulnerability can be triggered using only public GnuTLS APIs and may result in denial of service or memory corruption, depending on allocator behavior.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

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Affected Vendor

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Affected Software

Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Ceph Storage 7, Red Hat Discovery 2, Red Hat Hardened Images, Red Hat Insights proxy 1.5, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4

Vulnerable Versions:

0, 0:3.8.9-9.el10_0.14, 0:3.6.16-8.el8_10.4, 0:3.8.3-6.el9_6.2, 0:3.7.6-21.el9_2.4, 0:3.8.3-4.el9_4.4, 7, 2.3.0-1760554384, 3.8.12-1.1.hum1, 1.5.7-1759331989