What’s Vulnerable › Vulnerabilities

CVE-2022-0530

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-09 · updated 2026-10-08

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.

Affected products

• macOS: from 10.15 before 10.15.7; 10.15.7, 10.15.7-security_update_2020, 10.15.7-security_update_2020-001, 10.15.7-security_update_2020-005, 10.15.7-security_update_2020-007, 10.15.7-security_update_2021-001 (+9) — fixed in 10.15.7
• Apple macOS: from 11.0 before 11.6.6; from 12.0.0 before 12.4 — fixed in 11.6.6, 12.4
• Debian Linux: 10.0, 11.0
• Fedoraproject Fedora: 35
• Red Hat Enterprise Linux: 8.0
• github.com/yi-ge/unzip: 6.0

How to fix

Upgrade to a fixed version: macOS 10.15.7; Apple macOS 11.6.6, 12.4. Check the vendor advisory for mitigations.

References

• 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://github.com/ByteHackr/unzip_poc
• https://lists.debian.org/debian-lts-announce/2022/09/msg00028.html
• https://security.gentoo.org/glsa/202310-17
• https://support.apple.com/kb/HT213255
• https://support.apple.com/kb/HT213256
• https://support.apple.com/kb/HT213257
• https://www.debian.org/security/2022/dsa-5202
• http://seclists.org/fulldisclosure/2022/May/33

Get alerted when CVE-2022-0530 or the next vulnerability affects your stack