It was discovered that in SimpleSAMLphp, an implementation of the
SAML 2.0 protocol, it was possible to circumvent XML signature
verification on SAML messages.
For the oldstable distribution (stretch), this problem has been fixed
in version 1.14.11-1+deb9u2.
For the stable distribution (buster), this problem has been fixed in
We recommend that you upgrade your simplesamlphp packages.
For the detailed security status of simplesamlphp 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-4560-1 [email protected]
https://www.debian.org/security/ Thijs Kinkhorst
November 06, 2019 https://www.debian.org/security/faq