CVE-2016-9844

4.0 mediumEPSS 1.8%

Medium (4.0) in unzip project unzip. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

4.0 medium

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

EPSS: 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2017-01-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

unzip_project:unzip

References

http://www.openwall.com/lists/oss-security/2016/12/05/13
http://www.openwall.com/lists/oss-security/2016/12/05/19
http://www.openwall.com/lists/oss-security/2016/12/05/20
http://www.securityfocus.com/bid/94728
https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1643750

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