What’s Vulnerable › Vulnerabilities

CVE-2022-0529

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-02-09 · updated 2026-10-08
• Weakness: CWE-787

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

• Debian Linux: 10.0, 11.0
• Fedoraproject Fedora: 35
• Red Hat Enterprise Linux: 8.0
• github.com/yi-ge/unzip: 6.0

References

• 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://www.debian.org/security/2022/dsa-5202
• 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://www.debian.org/security/2022/dsa-5202

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