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Vulnerability record · CVE-2026-2219 · published 7 March 2026

CVE-2026-2219: Debian dpkg vulnerability

Debian · Dpkg

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).

7.5 CVSS 3.1 High EPSS 0.42% · top 66.4% CWE-835 · CWE-835
7.5CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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).

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.debian.org/1129722 Issue TrackingMailing List
https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6610297a62c0780dd0e80b0e302ef64fdcc9d313 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-1664Debian dpkg path traversal vulnerabilityDpkg::Source::Archive in dpkg, the Debian package management system, before version 1.21.8, 1.20.10, 1.19.8, 1.18.26 is prone to a directory traversa…EPSS 3.2%9.8CVE-2017-8283Debian dpkg path traversal vulnerabilitydpkg-source in dpkg 1.3.0 through 1.18.23 is able to use a non-GNU patch program and does not offer a protection mechanism for blank-indented diff hu…EPSS 4.6%8.2CVE-2025-6297Debian dpkg uncontrolled resource consumption vulnerabilityIt was discovered that dpkg-deb does not properly sanitize directory permissions when extracting a control member into a temporary directory, which i…EPSS 0.38%7.5CVE-2015-0860Canonical ubuntu linux vulnerabilityOff-by-one error in the extracthalf function in dpkg-deb/extract.c in the dpkg-deb component in Debian dpkg 1.16.x before 1.16.17 and 1.17.x before 1…EPSS 5.0%7.2CVE-2004-2768Debian dpkg permissions and access controls vulnerabilitydpkg 1.9.21 does not properly reset the metadata of a file during replacement of the file in a package upgrade, which might allow local users to gain…EPSS 0.41%7.1CVE-2014-3127Debian dpkg path traversal vulnerabilitydpkg 1.15.9 on Debian squeeze introduces support for the "C-style encoded filenames" feature without recognizing that the squeeze patch program lacks…EPSS 2.1%6.8CVE-2014-8625Debian dpkg vulnerabilityMultiple format string vulnerabilities in the parse_error_msg function in parsehelp.c in dpkg before 1.17.22 allow remote attackers to cause a denial…EPSS 3.3%6.8CVE-2011-0402Debian dpkg link following vulnerabilitydpkg-source in dpkg before 1.14.31 and 1.15.x allows user-assisted remote attackers to modify arbitrary files via a symlink attack on unspecified fil…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2026-2219), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.