CVE-2024-3861

Publication date 16 April 2024

Last updated 30 May 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.0 · Medium

Score breakdown

If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

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
Fixed 1:115.10.1+build1-0ubuntu0.23.10.1
22.04 LTS jammy
Fixed 1:115.10.1+build1-0ubuntu0.22.04.1
20.04 LTS focal
Fixed 1:115.10.1+build1-0ubuntu0.20.04.1

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

Severity score breakdown

Parameter Value
Base score 4.0 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N