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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.

Read the notes from the security team

Status

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

Notes


tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine


mdeslaur

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

References

Related Ubuntu Security Notices (USN)

    • USN-6747-1
    • Firefox vulnerabilities
    • 24 April 2024

Other references