CVE-2019-11703
CRITICAL9.8EPSS 8.2%thunderbird - security update
Published: 7/23/2019Modified: 4/28/2026
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.
Affected packages (3)
- Debian/thunderbirdfrom 0, < 1:60.7.1-1
- Debian/thunderbirdfrom 0, < 1:60.7.1-1~deb8u1
- Debian/thunderbirdfrom 0, < 1:60.7.1-1~deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |