ALPINE-CVE-2016-5300 — Vulnetix

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ALPINE-CVE-2016-5300 PUBLISHED CVSS 7.5 HIGH

The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.

Risk Scores

CVSS v3.0

7.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Alpine:v3.3	expat	2.1.0-r2, 2.1.1-r0, 2.1.1-r1
Alpine:v3.2	expat	0, 2.0.1-r0, 2.0.1-r1
Alpine:v3.4	expat	0, 2.0.1-r0, 2.0.1-r1

Timeline

Jun 16, 2016 CVE Published
Nov 19, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2016-5300 advisory

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