PT-2026-23848 · Debian · Dpkg-Deb

Yashashree Gund · Published 2026-03-07 · Updated 2026-05-07 · CVE-2026-2219

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions dpkg-deb (affected versions not specified)

Description The dpkg-deb component of the Debian package management system does not properly validate the end of the data stream when uncompressing a zstd-compressed .deb archive. This can lead to a denial of service condition, specifically an infinite loop that consumes CPU resources.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

AZL-79509

CVE-2026-2219

ECHO-D2D4-4737-F820

OPENSUSE-SU-2026:10675-1

SUSE-SU-2026:20766-1

SUSE-SU-2026:20795-1

USN-8249-1

Affected Products

Dpkg-Deb

References · 26

• https://ubuntu.com/security/notices/USN-8249-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8249-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2219 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-2219 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-2219 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-2219 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10675-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-79509 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-2219 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:20766-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-2219 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20795-1 · Vendor Advisory
• https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6610297a62c0780dd0e80b0e302ef64fdcc9d313 · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2026-2219 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-2219 · Vendor Advisory