CVE-2016-9844
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.
Does this matter?
Lower severity and a low EPSS score (1.84%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 4.0 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 1.84% probability · 79th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- unzip project/unzip
- Source
- cve@mitre.org
EPSS 1.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2016/12/05/13Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/19Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/20Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94728Third Party Advisory, VDB Entry
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1643750Issue Tracking
- http://www.openwall.com/lists/oss-security/2016/12/05/13Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/19Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/12/05/20Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94728Third Party Advisory, VDB Entry
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1643750Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.