CVE-2026-2219 describes a denial-of-service vulnerability in dpkg-deb, a component of the Debian package management system. This flaw occurs when uncompressing a zstd-compressed .deb archive, as dpkg-deb fails to properly validate the end of the data stream, leading to an infinite CPU loop. While no CVSS score is provided, community discussion indicates a perceived high severity (7.5). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, suggesting a low immediate threat. However, the vulnerability has garnered some community attention, with two mentions across social media platforms.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.21.18, < 1.23.6CPE match | cpe:2.3:a:debian:dpkg:*:*:*:*:*:*:*:* | ||
>= 1.21.18, < 1.21.23CPE matchmatch criteria | cpe:2.3:a:debian:dpkg:*:*:*:*:*:*:*:* | ||
>= 1.22.0, < 1.22.22CPE matchmatch criteria | cpe:2.3:a:debian:dpkg:*:*:*:*:*:*:*:* | ||
>= 1.23.0, < 1.23.6CPE matchmatch criteria | cpe:2.3:a:debian:dpkg:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.