High DSA-5143-1 2 CVEs

firefox-esr - security update

Published May 22, 2022 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 2

Release	Package	Fixed in
Debian · 10	firefox-esr	91.9.1esr-1~deb10u1
Debian · 11	firefox-esr	91.9.1esr-1~deb11u1

Vulnerabilities 2

High 8.8

CVE-2022-1529 EPSS 18%

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScr…

Mozilla Firefox Thunderbird Firefox ESR Android Browsers Debian Ubuntu Alpine

Dec 22, 2022
High 8.8

CVE-2022-1802 Public exploit EPSS 28%

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could hav…

Mozilla Firefox Thunderbird Firefox ESR Android Browsers Debian Ubuntu Alpine

Dec 22, 2022