CVE-2026-2219

HIGH

dpkg 1.21.18-1.23.6 - Denial of Service via Zstd Decompression Infinite Loop

Title source: llm
STIX 2.1

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).

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0042
EPSS Percentile 33.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (2)
debian/dpkg 1.21.18 - 1.21.23
Debian/dpkg 1.21.18 - 1.23.6
Published Mar 07, 2026
Tracked Since Mar 07, 2026