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CVE-2026-2219

HIGH
7.5
CVSS Score
Published: March 7, 2026 at 08:10 AM UTC
Updated: June 17, 2026 at 10:30 AM UTC
1 product affected across 1 vendorDpkg

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Dpkg· Debian
95%
1.21.18 ≤ v < 1.21.231.21.18 ≤ v < 1.23.61.22.0 ≤ v < 1.22.221.23.0 ≤ v < 1.23.61.21.18
Affected range stops below 1.21.23, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.22.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.23.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6610297a62c0780dd0e80b0e302ef64fdcc9d313
Issue TrackingMailing List
Source: cverecord
https://bugs.debian.org/1129722

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-835

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