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[SECURITY] [DLA 4215-1] ublock-origin security update



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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
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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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