------------------------------------------------------------------------- Debian LTS Advisory DLA-3062-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany June 29, 2022 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : ublock-origin Version : 1.42.0+dfsg-1~deb9u1 CVE ID : CVE-2021-36773 Debian Bug : 991386 uBlock, a Firefox add-on and efficient ads, malware and trackers blocker, supported an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality). Please note that webext-ublock-origin was replaced by webext-ublock-origin- firefox. For Debian 9 stretch, this problem has been fixed in version 1.42.0+dfsg-1~deb9u1. 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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