------------------------------------------------------------------------- Debian LTS Advisory DLA-4215-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany June 12, 2025 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : ublock-origin Version : 1.62.0+dfsg-0+deb11u1 CVE ID : CVE-2025-4215 Debian Bug : 1104635 A flaw was found in ublock-origin, a lightweight and efficient ads, malware, trackers blocker. A remote attacker could abuse an inefficient regular expression in ublock-origin's filters to cause a denial-of-service and freeze a web browser. For Debian 11 bullseye, this problem has been fixed in version 1.62.0+dfsg-0+deb11u1. We recommend that you upgrade your ublock-origin packages. For the detailed security status of ublock-origin please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ublock-origin 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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