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CVE-2026-2219

Quick assessment

Affected
Debian dpkg
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dpkg-deb是Debian社区的一个Linux中的软件包管理器。 dpkg-deb存在安全漏洞，该漏洞源于解压缩zstd压缩的.deb归档时未正确验证数据流结尾，可能导致拒绝服务。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2026-2219

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
dpkg-deb 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dpkg-deb是Debian社区的一个Linux中的软件包管理器。 dpkg-deb存在安全漏洞，该漏洞源于解压缩zstd压缩的.deb归档时未正确验证数据流结尾，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Debian dpkg 1.21.18 ~ 1.23.6 -

II. Public POCs for CVE-2026-2219

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III. Intelligence Information for CVE-2026-2219

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Patches & Fixes for CVE-2026-2219 (1)

Vendor Advisories for CVE-2026-2219 (1)

IV. Related Vulnerabilities

Same product: dpkg
Same vendor: Debian

V. Comments for CVE-2026-2219

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