Description
A flaw was found in GnuTLS, which relies on libtasn1 for ASN.1 data processing. Due to an inefficient algorithm in libtasn1, decoding certain DER-encoded certificate data can take excessive time, leading to increased resource consumption. This flaw allows a remote attacker to send a specially crafted certificate, causing GnuTLS to become unresponsive or slow, resulting in a denial-of-service condition.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
gnutls
Default version status: unknown
0 to ≤ 3.6.16affected3.7.0 to ≤ 3.7.11affected3.8.0 to < 3.8.8affected3.8.9 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:3.6.16-8.el8_10.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
0:3.6.16-8.el8_10.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:3.8.3-6.el9 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
0:3.8.3-6.el9 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
0:3.7.6-21.el9_2.4 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
0:3.8.3-4.el9_4.2 to < *unaffected
Red Hat Red Hat Discovery 1.14
Default version status: affected
1.14.3-1748529279 to < *unaffected
Red Hat Red Hat Discovery 1.14
Default version status: affected
1.14.2-1748467619 to < *unaffected
Red Hat Red Hat Enterprise Linux 10
Default version status: unaffected
Red Hat Red Hat Enterprise Linux 6
Default version status: unknown
Red Hat Red Hat Enterprise Linux 7
Default version status: unknown
Red Hat Red Hat OpenShift Container Platform 4
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2025:17361 ↗
- https://access.redhat.com/errata/RHSA-2025:4051 ↗
- https://access.redhat.com/errata/RHSA-2025:7076 ↗
- https://access.redhat.com/errata/RHSA-2025:8020 ↗
- https://access.redhat.com/errata/RHSA-2025:8385 ↗
- https://access.redhat.com/security/cve/CVE-2024-12243 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2344615 ↗
- https://gitlab.com/gnutls/gnutls/-/issues/1553 ↗
- https://gitlab.com/gnutls/libtasn1/-/issues/52 ↗
- https://lists.debian.org/debian-lts-announce/2025/02/msg00027.html ↗
- https://security.netapp.com/advisory/ntap-20250523-0002/ ↗
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html ↗