How severe is CVE-2026-2219?

CVE-2026-2219 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-2219 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2219?

CVE-2026-2219 affects Debian Dpkg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2219?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-2219 have an EU (EUVD) identifier?

Yes. CVE-2026-2219 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10138.

When was CVE-2026-2219 published?

CVE-2026-2219 was published on 2026-03-07 and last updated on 2026-06-17.

CVE-2026-2219

CVE-2026-2219 is a high-severity vulnerability in Debian Dpkg with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10138
Weakness: CWE-835
Affected product: Debian Dpkg
Published: 2026-03-07
Last modified: 2026-06-17

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).

Frequently asked questions

What is 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 (infinite loop spinning the CPU).
How severe is CVE-2026-2219?: CVE-2026-2219 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-2219 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2219?: CVE-2026-2219 affects Debian Dpkg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2219?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-2219 have an EU (EUVD) identifier?: Yes. CVE-2026-2219 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10138.
When was CVE-2026-2219 published?: CVE-2026-2219 was published on 2026-03-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:debian:dpkg:*:*:*:*:*:*:*:*

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