CVE-2019-11704

critical

Description

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

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1553814

https://www.mozilla.org/security/advisories/mfsa2019-17/

https://security.gentoo.org/glsa/201908-20

Details

Source: MITRE

Published: 2019-07-23

Updated: 2022-04-18

Type: CWE-787

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL