CVE-2024-3855

Publication date 16 April 2024

Last updated 24 July 2024

Ubuntu priority

In certain cases the JIT incorrectly optimized MSubstr operations, which led to out-of-bounds reads. This vulnerability affects Firefox < 125.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Fixed 125.0.2+build1-0ubuntu0.20.04.2
mozjs102	24.04 LTS noble	Ignored
	23.10 mantic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Ignored
	20.04 LTS focal	Not in release
mozjs38	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored
mozjs52	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Ignored
	18.04 LTS bionic	Ignored
mozjs68	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Ignored
mozjs78	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Ignored
	20.04 LTS focal	Not in release
mozjs91	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	22.04 LTS jammy	Ignored
	20.04 LTS focal	Not in release
thunderbird	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needed
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected

mozjs contains a copy of the SpiderMonkey JavaScript engine

starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap