CVE-2021-4217

Description

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

References

https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077

https://bugzilla.redhat.com/show_bug.cgi?id=2044583

https://access.redhat.com/security/cve/CVE-2021-4217

Details