# CVE-2026-2219: 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.

- Web page: https://patchblox.com/security/cve/CVE-2026-2219
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0047
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 7, 2026

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dpkg Debian 12.15 (bookworm) | 1.21.23 | [DEBIAN-CVE-2026-2219](https://patchblox.com/security/data/fix/linux/debian-cve-2026-2219.md) | Mar 7, 2026 |
| Linux | dpkg Debian 13.5 (trixie) | 1.22.22 | [DEBIAN-CVE-2026-2219](https://patchblox.com/security/data/fix/linux/debian-cve-2026-2219.md) | Mar 7, 2026 |
| Linux | dpkg Debian 14 | 1.23.6 | [DEBIAN-CVE-2026-2219](https://patchblox.com/security/data/fix/linux/debian-cve-2026-2219.md) | Mar 7, 2026 |
| Linux | dpkg Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | [dpkg 1.22.6ubuntu6.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dpkg-1.22.6ubuntu6.6.md) | Mar 7, 2026 |
| Linux | dpkg Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | [dpkg 1.22.21ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dpkg-1.22.21ubuntu3.2.md) | Mar 7, 2026 |
| Linux | dpkg opensuse-leap 16.0 | 1.22.21-160000.3.1 | [OPENSUSE-SU-2026:20909-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20909-1.md) | Jun 5, 2026 |
| Linux | dpkg sles 16.0 | 1.22.21-160000.3.1 | [SUSE-SU-2026:22085-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22085-1.md) | Jun 5, 2026 |
| Linux | dselect Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | [dselect 1.22.6ubuntu6.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-dselect-1.22.6ubuntu6.6.md) | Mar 7, 2026 |
| Linux | dselect Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | [dselect 1.22.21ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-dselect-1.22.21ubuntu3.2.md) | Mar 7, 2026 |
| Linux | libdpkg-perl Ubuntu 24.04.5 LTS (noble) | 1.22.6ubuntu6.6 | [libdpkg-perl 1.22.6ubuntu6.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libdpkg-perl-1.22.6ubuntu6.6.md) | Mar 7, 2026 |
| Linux | libdpkg-perl Ubuntu 25.10 (questing) | 1.22.21ubuntu3.2 | [libdpkg-perl 1.22.21ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libdpkg-perl-1.22.21ubuntu3.2.md) | Mar 7, 2026 |
| Linux | update-alternatives opensuse-leap 16.0 | 1.22.21-160000.3.1 | [OPENSUSE-SU-2026:20909-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20909-1.md) | Jun 5, 2026 |
| Linux | update-alternatives sles 16.0 | 1.22.21-160000.3.1 | [SUSE-SU-2026:22085-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22085-1.md) | Jun 5, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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