vulnerability

Oracle Linux: CVE-2020-26974: ELSA-2020-5562-1: firefox security update (IMPORTANT) (Multiple Advisories)

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
2020-12-15
Added
2020-12-17
Modified
2025-01-07

Description

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.
The Mozilla Foundation Security Advisory describes this flaw as:
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.

Solution(s)

oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
Title
NEW

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