CVE-2022-0530
The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write.
Does this matter?
Lower severity and a low EPSS score (2.11%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 2.11% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- unzip project/unzip · redhat/enterprise linux · fedoraproject/fedora · apple/mac os x · apple/macos · debian/debian linux
- Source
- secalert@redhat.com
EPSS 2.1% since 26 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://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/38Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395Issue Tracking, Third Party Advisory
- https://github.com/ByteHackr/unzip_pocExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-17Third Party Advisory
- https://support.apple.com/kb/HT213255Vendor Advisory
- https://support.apple.com/kb/HT213256Vendor Advisory
- https://support.apple.com/kb/HT213257Vendor Advisory
- https://www.debian.org/security/2022/dsa-5202Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/38Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2051395Issue Tracking, Third Party Advisory
- https://github.com/ByteHackr/unzip_pocExploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00028.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202310-17Third Party Advisory
- https://support.apple.com/kb/HT213255Vendor Advisory
- https://support.apple.com/kb/HT213256Vendor Advisory
- https://support.apple.com/kb/HT213257Vendor Advisory
- https://www.debian.org/security/2022/dsa-5202Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.