RLSA-2021:3755

RLSA-2021:3755 · Important: firefox security update

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Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.2.0 ESR. Security Fix(es): * Mozilla: Use-after-free in MessageTask (CVE-2021-38496) * Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2 (CVE-2021-38500) * Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2 (CVE-2021-38501) * rust-crossbeam-deque: race condition may lead to double free (CVE-2021-32810) * Mozilla: Validation message could have been overlaid on another origin (CVE-2021-38497) * Mozilla: Use-after-free of nsLanguageAtomService object (CVE-2021-38498) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS 9.8 · Kritisch · Korrektur verfügbar

Veröffentlicht

2021-10-11T07:50:46Z

Aktualisiert

2026-02-04T14:45:03.658220Z

Technologie-Stack: system

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