Debian dpkg zstd DOS via stream validation flaw CVE-2026-2219
CVE-2026-2219 Published on March 7, 2026
It was discovered that dpkg-deb (a component of dpkg, the Debian package management system) does not properly validate the end of the data stream when uncompressing a zstd-compressed .deb archive, which may result in denial of service (infinite loop spinning the CPU).
Products Associated with CVE-2026-2219
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Affected Versions
Debian dpkg:- Version 1.21.18 and below 1.23.6 is affected.