An issue was discovered in ytnef before 1.9.1. This is related to a patch described as "6 of 9. Invalid Write and Integer Overflow."
https://github.com/Yeraze/ytnef/pull/27
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFJWMUEUC4ILH2HEOCYVVLQT654ZMCGQ/
http://www.debian.org/security/2017/dsa-3846
http://www.openwall.com/lists/oss-security/2017/02/15/4
Source: Mitre, NVD
Published: 2017-02-24
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