#VU95431 Out-of-bounds read in Mozilla products - CVE-2024-7522

Vulnerability identifier: #VU95431

Vulnerability risk: High

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-7522

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox ESR
Client/Desktop applications / Web browsers
Firefox for Android
Mobile applications / Apps for mobile phones

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in editor component. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger an out-of-bounds read and bypass browser sandbox.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 128.0.3

Firefox ESR: 102.0 - 102.15.1, 115.0 - 115.13.0, 128.0

Firefox for Android: 100.1.0 - 128.0.3

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External links
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/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.