========================================================================== Ubuntu Security Notice USN-8207-1 April 27, 2026
clamav vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: ClamAV could be made to crash if it opened a specially crafted HTML file. Software Description: - clamav: Anti-virus utility for Unix Details: It was discovered that ClamAV incorrectly handled certain HTML files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 clamav 1.4.4+dfsg-0ubuntu0.25.10.1 Ubuntu 24.04 LTS clamav 1.4.4+dfsg-0ubuntu0.24.04.1 Ubuntu 22.04 LTS clamav 1.4.4+dfsg-0ubuntu0.22.04.1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8207-1 CVE-2026-20031 Package Information: https://launchpad.net/ubuntu/+source/clamav/1.4.4+dfsg-0ubuntu0.25.10.1 https://launchpad.net/ubuntu/+source/clamav/1.4.4+dfsg-0ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/clamav/1.4.4+dfsg-0ubuntu0.22.04.1
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