CVE-2019-11703
CVSS v3
9.8
CRITICAL
EPSS Score
10.5 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
libical: Heap buffer over read in icalparser.c parser_get_next_char
libical as a component of Red Hat Enterprise Linux 6 · libical-devel as a component of Red Hat Enterprise Linux 6
Red Hat Security Advisory: thunderbird security update
Red Hat Security Advisory: thunderbird security update
Red Hat Security Advisory: thunderbird security update
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.
Technical details
- Published
- 2019-07-23
- Exploit-DB
- EDB-47003
Frequently asked questions
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