Related Vulnerabilities: CVE-2021-3404  

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Severity Medium

Remote No

Type Arbitrary code execution

Description

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

AVG-1552 libytnef 1.9.3+7+g24fe30e-2 Medium Vulnerable

https://bugzilla.redhat.com/show_bug.cgi?id=1926965
https://github.com/Yeraze/ytnef/issues/86
https://github.com/Yeraze/ytnef/pull/88