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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2020-26974
HistoryJan 07, 2021 - 2:15 p.m.

CVE-2020-26974

2021-01-0714:15:00
Debian Security Bug Tracker
security-tracker.debian.org
11

0.004 Low

EPSS

Percentile

72.6%

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.