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.
https://github.com/Yeraze/ytnef/issues/86
https://bugzilla.redhat.com/show_bug.cgi?id=1926965
Source: Mitre, NVD
Published: 2021-03-04
Updated: 2022-04-25
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: High