CVE-2026-2219

EUVD-2026-10138
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).
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
debianCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
debiandpkg
1.21.18 ≤
𝑥
< 1.23.6
CNA
Debian logo
Debian Releases
Debian Product
Codename
dpkg
bookworm
no-dsa
bullseye
1.20.13
fixed
bullseye (security)
1.20.10
fixed
forky
1.23.7
fixed
sid
1.23.7
fixed
trixie
1.22.22
fixed