ALPINE-CVE-2016-9844 — Vulnetix

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ALPINE-CVE-2016-9844 PUBLISHED CVSS 4 MEDIUM

Buffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.

Risk Scores

CVSS v3.0

4

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

Affected Products

Vendor	Product	Versions
Alpine:v3.14	unzip	0, 6.0-r0, 6.0-r1
Alpine:v3.22	unzip	0, 6.0-r0, 6.0-r1
Alpine:v3.20	unzip	0, 6.0-r0, 6.0-r1
Alpine:v3.9	unzip	6.0-r2, 6.0-r1, 6.0-r0
Alpine:v3.10	unzip	6.0-r0, 0, 6.0-r2
Alpine:v3.16	unzip	6.0-r2, 0, 6.0-r0
Alpine:v3.12	unzip	6.0-r2, 0, 6.0-r0
Alpine:v3.11	unzip	0, 6.0-r2, 6.0-r1
Alpine:v3.18	unzip	0, 6.0-r0, 6.0-r1
Alpine:v3.17	unzip	6.0-r2, 0, 6.0-r0
Alpine:v3.15	unzip	0, 6.0-r0, 0
Alpine:v3.8	unzip	0, 6.0-r1, 6.0-r0
Alpine:v3.7	unzip	6.0-r2, 0, 6.0-r0
Alpine:v3.21	unzip	6.0-r0, 6.0-r1, 6.0-r2
Alpine:v3.23	unzip	0, 6.0-r0, 6.0-r1
Alpine:v3.6	unzip	6.0-r0, 6.0-r1, 6.0-r2
Alpine:v3.13	unzip	6.0-r1, 6.0-r0, 0
Alpine:v3.19	unzip	6.0-r0, 6.0-r2, 6.0-r1
Alpine:v3.5	unzip	6.0-r2, 6.0-r1, 6.0-r0

Timeline

Jan 18, 2017 CVE Published
Dec 3, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2016-9844 advisory

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