#VU93897 Buffer overflow in Mozilla products - CVE-2024-6603

Vulnerability identifier: #VU93897

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-6603

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

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

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in thread creation. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and crash the browser.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox ESR: 102.0 - 102.15.1, 115.0 - 115.12.0

Mozilla Firefox: 100.0 - 127.0.2

Firefox for Android: 100.1.0 - 127.0

---

External links
https://www.mozilla.org/en-US/security/advisories/mfsa2024-30/
https://www.mozilla.org/en-US/security/advisories/mfsa2024-29/

---

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.