CVE-2026-2219 — Infinite Loop in Dpkg

CWE-835 — Infinite Loop6 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 93.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Debian Dpkg
Timeline
PublishedMar 7

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5debian/dpkg1.21.18 — 1.23.6
▶Debiandebian/dpkg< 1.22.22+1

🔴Vulnerability Details

3
OSV
CVE-2026-2219: 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↗2026-03-07
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CVEList
CVE-2026-2219: 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↗2026-03-07
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GHSA
GHSA-x8w5-j8fh-hpvp: 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↗2026-03-07
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📋Vendor Advisories

1
Debian
CVE-2026-2219: dpkg - It was discovered that dpkg-deb (a component of dpkg, the Debian package managem...↗2026
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🕵️Threat Intelligence

1
Wiz
CVE-2026-2219 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-2219 — Infinite Loop in Debian Dpkg | cvebase