CVE-2022-0530
MEDIUM 5.5EPSS 2.1%
A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
- Affected
- unzip
- CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS v2.0 NVD
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P - EPSS
- 2.11% chance of exploitation in the next 30 days, 81st percentile
- Published
- 2022-02-09
- Updated
- 2026-10-08
Proof-of-concept exploits (2)
- ByteHackr/unzip_poc3★ · 2022-02-28
- nanaao/unzip_poc2★ · 2022-02-28
Security advisories
- https://support.apple.com/kb/HT213255
- https://support.apple.com/kb/HT213256
- https://support.apple.com/kb/HT213257
- http://seclists.org/fulldisclosure/2022/May/33
- http://seclists.org/fulldisclosure/2022/May/35
- http://seclists.org/fulldisclosure/2022/May/38
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.html
- https://security.gentoo.org/glsa/202310-17
- https://www.debian.org/security/2022/dsa-5202