It was discovered that xerces-c, a validating XML parser library for
C++, did not correctly scan DTDs. The use-after-free vulnerability
resulting from this issue would allow a remote attacker to leverage a
specially crafted XML file in order to crash the application or
potentially execute arbitrary code.
Please note that the patch fixing this issue comes at the expense of a
newly introduced memory leak.
For the stable distribution (buster), this problem has been fixed in
We recommend that you upgrade your xerces-c packages.
For the detailed security status of xerces-c please refer to
its security tracker page at:
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Debian Security Advisory DSA-4814-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
December 17, 2020 https://www.debian.org/security/faq