[xml/sgml-pkgs] Bug#988603: libxml2: CVE-2021-3541: Exponential entity expansion attack bypasses all existing protection mechanisms
carnil at debian.org
Sun May 16 20:10:59 BST 2021
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>
The following vulnerability was published for libxml2.
| Exponential entity expansion attack bypasses all existing protection
Technical details for the vulnerability are unfortunately not public,
but it looks that the flaw is essentially a variant of the billion
laughts attack (CVE-2003-1564) which can lead to denial of service for
applications using libxml2.
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
For further information see:
Please adjust the affected versions in the BTS as needed.
More information about the debian-xml-sgml-pkgs