dpkg: It was discovered that dpkg-deb (a component of dpkg, the Debian package management system) does not properly validat...
CVE-2026-2219 is fixed in 4 products on 1 platform, first by dpkg 1.22.6ubuntu6.6, released March 7, 2026. It is not reported as exploited. Patch Radar priority: High.
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).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dpkg · Debian 12.15 (bookworm) | 1.21.23 | DEBIAN-CVE-2026-2219 | Mar 7, 2026 |
| dpkg · Debian 13.5 (trixie) | 1.22.22 | DEBIAN-CVE-2026-2219 | Mar 7, 2026 |
| dpkg · Debian 14 | 1.23.6 | DEBIAN-CVE-2026-2219 | Mar 7, 2026 |
| dpkg · Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | dpkg 1.22.6ubuntu6.6 | Mar 7, 2026 |
| dpkg · Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | dpkg 1.22.21ubuntu3.2 | Mar 7, 2026 |
| dpkg · opensuse-leap 16.0 | 1.22.21-160000.3.1 | OPENSUSE-SU-2026:20909-1 | Jun 5, 2026 |
| dpkg · sles 16.0 | 1.22.21-160000.3.1 | SUSE-SU-2026:22085-1 | Jun 5, 2026 |
| dselect · Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | dselect 1.22.6ubuntu6.6 | Mar 7, 2026 |
| dselect · Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | dselect 1.22.21ubuntu3.2 | Mar 7, 2026 |
| libdpkg-perl · Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | libdpkg-perl 1.22.6ubuntu6.6 | Mar 7, 2026 |
| libdpkg-perl · Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | libdpkg-perl 1.22.21ubuntu3.2 | Mar 7, 2026 |
| update-alternatives · opensuse-leap 16.0 | 1.22.21-160000.3.1 | OPENSUSE-SU-2026:20909-1 | Jun 5, 2026 |
| update-alternatives · sles 16.0 | 1.22.21-160000.3.1 | SUSE-SU-2026:22085-1 | Jun 5, 2026 |
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