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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-26973
HistoryJan 07, 2021 - 2:15 p.m.

CVE-2020-26973

2021-01-0714:15:00
Debian Security Bug Tracker
security-tracker.debian.org
20

0.003 Low

EPSS

Percentile

65.8%

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.