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CVE-2025-32988

Gnutls: vulnerability in gnutls othername san export

Published: 7/10/2025 Last updated: 12/1/2025 Reserved: 4/15/2025

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 6.5 Medium CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

Opam packages affected (5)

conf-gnutls conf-mingw-w64-gnutls-i686 conf-mingw-w64-gnutls-x86_64 conf-srt conf-srt-gnutls

Products affected (20)

Product Vendor Version
Red Hat Discovery 2 Red Hat < 10.0.22000.1455
Red Hat Discovery 2 Red Hat Honeywell XL Web II Controller
Red Hat Enterprise Linux 8 Red Hat 6.2.3.17
Red Hat Enterprise Linux 9 Red Hat 2023
Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Red Hat 6.2.3.18
Red Hat Enterprise Linux 7 Red Hat QCN5122
Red Hat Enterprise Linux 7 Red Hat 6.4.0.1
Red Hat Enterprise Linux 6 Red Hat n/a
Red Hat Enterprise Linux 10 Red Hat 6.2.3.16
Red Hat Enterprise Linux 9 Red Hat QCN5024
Red Hat Enterprise Linux 8 Red Hat QCN5022
Red Hat Enterprise Linux 9.4 Extended Update Support Red Hat QCN5052
Red Hat Insights proxy 1.5 Red Hat 6.4.0
Red Hat Insights proxy 1.5 Red Hat <= 1.2.9
12.0.1
Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9
Red Hat Ceph Storage 7 Red Hat < 3.6
Red Hat Ceph Storage 7 Red Hat <= 2018 SP3 P05
Red Hat OpenShift Container Platform 4 Red Hat All versions up to V9.0.0P1N28
Red Hat OpenShift Container Platform 4 Red Hat n/a

References (24)