CVE-2019-11705

Public on 2019-07-18
Modified on 2019-07-22
Description
A flaw in Thunderbird's implementation of iCal causes a stack buffer overflow in icalrecur_add_bydayrules when processing certain email messages, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7.1.
Severity
Important severity
Important
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core thunderbird 2019-07-18 ALAS2-2019-1250 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H