CVE-2018-1000035
unzip: Heap-based buffer overflow in fileio.c:UzpPassword function allows code execution
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · February 7, 2018
Updated · November 22, 2025
Description
A heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing of password-protected archives that allows an attacker to perform a denial of service or to possibly achieve code execution.
Statement
This issue affects the versions of unzip as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Low security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 7CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-122 · Heap-based Buffer Overflow