UnratedRed Hat & Ubuntu Linux

dpkg vulnerability

USN-8249-1 Published May 7, 2026

CVE-2026-2219

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Yashashree Gund discovered that the dpkg dpkg-deb tool incorrectly handled certain zstd-compressed .deb archives. If a user or automated system were tricked into manipulating a specially crafted .deb archive, a remote attacker could possibly use this issue to cause dpkg-deb to stop responding, resulting in a denial of service. Affected Ubuntu releases: 25.10, 24.04. CVEs: CVE-2026-2219.

Affected versions

Ubuntu 25.10
Ubuntu 24.04

Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).

Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source

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