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Debian 11 Bullseye DLA-4061-1 Critical: DoS Risk in libtasn1-6

debian lts
Calendar Grey February 21, 2025
Dist Debian Esm H88
Enhance libtasn1-6 for Debian LTS to address Denial of Service vulnerabilities stemming from improper certificate handling.
Bing Shi discovered that libtasn1-6, a runtime library to manage ASN.1 structures, had inefficient handling of certificate data with a large number of names or name constraints, po...
Topics%20covered

Topics Covered

security advisory denial of service security update debian critical severity Denial of Service Debian LTS libtasn1-6

Summary

For Debian 11 bullseye, this problem has been fixed in version
4.16.0-2+deb11u2.

We recommend that you upgrade your libtasn1-6 packages.

For the detailed security status of libtasn1-6 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libtasn1-6

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
High
Critical

Package: libtasn1-6
Version: 4.16.0-2+deb11u2
CVE ID: CVE-2024-12133
Debian Bug: 1095406

Topics%20covered

Topics Covered

security advisory denial of service security update debian critical severity Denial of Service Debian LTS libtasn1-6

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