Vulnerability Description
A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate, causing a denial of service attack.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2025:17347
- https://access.redhat.com/errata/RHSA-2025:4049
- https://access.redhat.com/errata/RHSA-2025:7077
- https://access.redhat.com/errata/RHSA-2025:8021
- https://access.redhat.com/errata/RHSA-2025:8385
- https://access.redhat.com/security/cve/CVE-2024-12133
- https://bugzilla.redhat.com/show_bug.cgi?id=2344611
- https://gitlab.com/gnutls/libtasn1/-/blob/master/doc/security/CVE-2024-12133.md
- https://gitlab.com/gnutls/libtasn1/-/issues/52
- http://www.openwall.com/lists/oss-security/2025/02/06/6
- https://lists.debian.org/debian-lts-announce/2025/02/msg00025.html
- https://security.netapp.com/advisory/ntap-20250523-0003/
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html
FAQ
What is CVE-2024-12133?
CVE-2024-12133 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down ...
How severe is CVE-2024-12133?
CVE-2024-12133 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-12133?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.