Debian LTS Advisory DLA-2767-1                [email protected]
https://www.debian.org/lts/security/                      Markus Koschany
September 27, 2021                            https://wiki.debian.org/LTS

Package        : libxml-security-java
Version        : 1.5.8-2+deb9u1
CVE ID         : CVE-2021-40690
Debian Bug     : 994569

Apache Santuario, XML Security for Java, is vulnerable to an issue where the
"secureValidation" property is not passed correctly when creating a KeyInfo
from a KeyInfoReference element. This allows an attacker to abuse an XPath
Transform to extract any local .xml files in a RetrievalMethod element.

For Debian 9 stretch, this problem has been fixed in version

We recommend that you upgrade your libxml-security-java packages.

For the detailed security status of libxml-security-java please refer to
its security tracker page at:

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