Use-after-free in Mozilla products - CVE-2024-7521

Vulnerability identifier: #VU95424

CSH Severity: High

CVSS v4.0: 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/E:U/U:Amber

CVE-ID: CVE-2024-7521

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Affected software:
Mozilla Firefox
Firefox ESR
SeaMonkey
Firefox for Android
IBM Cloud Pak for Multicloud Management
Gentoo Linux
Oracle Linux
Debian Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise Micro
Anolis OS
SUSE Enterprise Storage
Fedora
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Slackware Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Package Hub 15
Desktop Applications Module
openSUSE Leap
Ubuntu
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
seamonkey
www-client/firefox
mozilla-firefox
firefox-esr (Debian package)
firefox
firefox-debuginfo
firefox-debugsource
thunderbird (Red Hat package)
thunderbird (Debian package)
thunderbird
MozillaThunderbird-debuginfo
MozillaThunderbird-debugsource
MozillaThunderbird-translations-common
MozillaThunderbird-translations-other
MozillaThunderbird
thunderbird (Ubuntu package)
dev-lang/spidermonkey
MozillaFirefox-devel
MozillaFirefox-translations-common
MozillaFirefox
MozillaFirefox-debugsource
MozillaFirefox-debuginfo
MozillaFirefox-translations-other
MozillaFirefox-branding-upstream
mail-client/thunderbird
mail-client/thunderbird-bin
MozillaFirefox-branding-SLE
firefox (Ubuntu package)
Mozilla Thunderbird

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in WebAssembly. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2024-33/
• https://www.mozilla.org/en-US/security/advisories/mfsa2024-35/
• https://www.mozilla.org/en-US/security/advisories/mfsa2024-34/