CVE-2019-11703 Information

Description

A flaw in Thunderbird’s implementation of iCal causes a heap buffer overflow in parser_get_next_char when processing certain email messages resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 60.7.1.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1553820 https://security.gentoo.org/glsa/201908-20 https://www.mozilla.org/security/advisories/mfsa2019-17/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8