------------------------------------------------------------------------- Debian LTS Advisory DLA-4333-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Andreas Henriksson October 14, 2025 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : php-horde-css-parser Version : 1.0.11-8+deb11u1 CVE ID : CVE-2020-13756 Debian Bug : Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker. The php-horde-css-parser bundles the Sabberworm PHP CSS Parser code and is thus also vulnerable. For Debian 11 bullseye, this problem has been fixed in version 1.0.11-8+deb11u1. We recommend that you upgrade your php-horde-css-parser packages. For the detailed security status of php-horde-css-parser please refer to its security tracker page at: https://security-tracker.debian.org/tracker/php-horde-css-parser 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
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