What is CVE-2026-2219?

CVE-2026-2219 is a high-severity vulnerability in Debian Dpkg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-03-07.

How severe is CVE-2026-2219?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Debian Dpkg

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 uncompressing a zstd-compressed .deb archive, which may result in denial of service (inf…

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Debian Dpkg — versions 1.21.18

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

security@debian.org (Patch, patch)
security@debian.org (issue-tracking, Mailing List, Issue Tracking)

Frequently asked questions

What is CVE-2026-2219?: CVE-2026-2219 is a high-severity vulnerability in Debian Dpkg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-03-07.
How severe is CVE-2026-2219?: High severity. CVSS v3 base score is 7.5 out of 10.