Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2024-9403

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Main Vulnerability Database Vulnerabilities #VU97929

Buffer overflow in Mozilla Firefox and Firefox for Android - CVE-2024-9403

Published: October 1, 2024 / Updated: October 2, 2024


Vulnerability identifier: #VU97929
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-9403
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Mozilla Firefox
Firefox for Android
Gentoo Linux
Oracle Linux
Anolis OS
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Ubuntu
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
www-client/firefox
firefox (Red Hat package)
thunderbird (Red Hat package)
thunderbird
firefox
mail-client/thunderbird
mail-client/thunderbird-bin
dev-lang/spidermonkey
firefox (Ubuntu package)
thunderbird (Ubuntu package)
Mozilla Thunderbird

How to mitigate CVE-2024-9403

Install updates from vendor's website.

Mozilla Firefox - update to 131.0
Firefox for Android - update to 131.0
Mozilla Thunderbird - update to 131.0
www-client/firefox - update to 104
firefox (Red Hat package) - addressed in versions 128.3.0-1.el7_9, 128.3.0-1.el8_2, 128.3.0-1.el8_4, 128.3.0-1.el8_6, 128.3.0-1.el8_8, 128.3.0-1.el8_10, 128.3.0-1.el9_0, 128.3.0-1.el9_2
thunderbird (Red Hat package) - addressed in versions 128.3.0-1.el8_2, 128.3.0-1.el8_4, 128.3.0-1.el8_6, 128.3.0-1.el8_10, 128.3.0-1.el9_0, 128.3.0-1.el9_2, 128.3.0-1.el9_4, 128.3.1-1.el8_8
thunderbird - update to 128.3.0-1.0.1
firefox - update to 128.3.0-1.0.2
mail-client/thunderbird - update to 128.4.0
mail-client/thunderbird-bin - update to 128.4.0
dev-lang/spidermonkey - update to 128.8.0
firefox (Ubuntu package) - update to 131.0+build1.1-0ubuntu0.20.04.1
firefox - addressed in versions 131.0-2.fc39, 131.0-2.fc40, 131.0-2.fc41
thunderbird (Ubuntu package) - update to 1:140.7.1+build1-0ubuntu0.22.04.1

External References

Related Security Bulletins