CVE-2017-7753
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
CRITICAL · CVSS 9.1
EPSS 0.01721
Act now
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0