CVE-2026-2219

HIGH
2026-03-07 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 07, 2026 - 09:16 nvd
HIGH 7.5

Tags

Debian Denial Of Service Suse

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).

Analysis

dpkg-deb fails to properly validate zstd-compressed .deb archives during decompression, allowing unauthenticated remote attackers to trigger infinite loops that exhaust CPU resources on Debian systems. This denial of service condition affects the package management system without requiring user interaction or elevated privileges. …

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Remediation

Within 24 hours: Inventory all systems running dpkg and assess exposure to untrusted package sources. Within 7 days: Implement network controls to restrict package installation sources to trusted, validated repositories and disable zstd compression support in dpkg if operationally feasible. …

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Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +38
POC: 0

Vendor Status

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CVE-2026-2219 vulnerability details – vuln.today
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