CVE record · CVE-2024-12133

Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos

CVSS 5.3 MediumEPSS 0.011 · 66th percentile

Published by the CVE Program (CNA: redhat) at 10 Feb 2025, 15:28 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Not given	Not given Package name: libtasn1 https://gitlab.com/gnutls/libtasn1/	affected before 4.20.0 semver Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-5.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-5.el8_10 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.14-10.el8_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-3.el8_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.14-10.el8_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-3.el8_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.16-5.el8_6.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-3.el8_6.2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.16-5.el8_6.5 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-3.el8_6.2 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.16-7.el8_8.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Telecommunications Update Service Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-4.el8_8.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: gnutls https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.16-7.el8_8.4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.13-4.el8_8.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.16.0-9.el9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.16.0-9.el9 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.16.0-8.el9_2.1 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9.4 Extended Update Support Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.16.0-8.el9_4.1 to before * rpm Other versions: affected
Red Hat	Red Hat Discovery 1.14 Package name: discovery/discovery-server-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1.14.3-1748529279 to before * rpm Other versions: affected
Red Hat	Red Hat Discovery 1.14 Package name: discovery/discovery-ui-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1.14.2-1748467619 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 10 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 6 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat Enterprise Linux 7 Package name: libtasn1 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unknown
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift/ose-rhel-coreos-9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected

Identifiers: CVE-2024-12133
CNA: redhat
Weakness (CWE): CWE-407
Tags: Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On
Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Red Hat Enterprise Linux 9
Denial of service
Published: 10 Feb 2025
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	CNA (redhat)

CISA KEV Not listed.
EPSS 0.011, the 66th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

10 Feb 2025, 15:28 UTC Confirmed by the CVE List
10 Feb 2025, 16:15 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2025:17347 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:4049 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:7077 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8021 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2025:8385 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:30849 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:30850 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:33125 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2024-12133 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2344611 issue-trackingredhat
gitlab.com/gnutls/libtasn1/-/blob/master/doc/security/CVE-2024-12133.md
gitlab.com/gnutls/libtasn1/-/issues/52

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.