CVE-2019-11703

CRITICAL

Thunderbird <60.7.1 - Buffer Overflow

Title source: llm

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.

Exploits (1)

exploitdb WRITEUP
by X41 D-Sec GmbH · textdosmultiple
https://www.exploit-db.com/exploits/47003

Scores

CVSS v3 9.8
EPSS 0.0830
EPSS Percentile 92.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
mozilla/thunderbird < 60.7.1
Published Jul 23, 2019
Tracked Since Feb 18, 2026