CVE-2026-2219
7.5
HIGH
CVSS 3.1
EPSS 0.42%
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).
How to fix CVE-2026-2219
To remediate CVE-2026-2219, upgrade the affected package to a fixed version below.
- Alpine/dpkg—upgrade to 0 or later
Is CVE-2026-2219 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 1.21.18, < 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |