CVE-2025-32988

Published: Jul 10, 2025

Modified: May 12, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

Vendor	Product	Versions
Unknown	libgnutls	affected `0 - < 3.8.10`
Red Hat	Red Hat Enterprise Linux 10	unaffected `0:3.8.9-9.el10_0.14 - < *`
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:3.6.16-8.el8_10.4 - < *`
Red Hat	Red Hat Enterprise Linux 8	unaffected `0:3.6.16-8.el8_10.4 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:3.8.3-6.el9_6.2 - < *`
Red Hat	Red Hat Enterprise Linux 9	unaffected `0:3.8.3-6.el9_6.2 - < *`
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions	unaffected `0:3.7.6-21.el9_2.4 - < *`
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support	unaffected `0:3.8.3-4.el9_4.4 - < *`
Red Hat	Red Hat Ceph Storage 7	unaffected `sha256:4d2f9dc5b2b33ee1c77bbfabcbbb9f4d94d343b04c4de2e4f8b3b81a1f0fd2fe - < *`
Red Hat	Red Hat Discovery 2	unaffected `sha256:435ba9959b793d46a63a74c343bb8c3ff68350496afec12cc5e894dfc40b7648 - < *`
Red Hat	Red Hat Hardened Images	unaffected `3.8.12-1.1.hum1 - < *`
Red Hat	Red Hat Insights proxy 1.5	unaffected `sha256:4ca38b33efec0d2dd17a8fd822a7c18281810676ceabb0c1db90953cb91cd5ea - < *`
Red Hat	Red Hat Enterprise Linux 6	All versions
Red Hat	Red Hat Enterprise Linux 7	All versions
Red Hat	Red Hat OpenShift Container Platform 4	All versions