#VU94622 Double free in Firefox for Android and Mozilla Firefox - CVE-2024-6609

Vulnerability identifier: #VU94622

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-2024-6609

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

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

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 NSS. A remote attacker can force the browser to free an elliptic curve key which was never allocated and crash the browser.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Firefox for Android: 120.0 - 127.0

Mozilla Firefox: 120.0 - 127.0.2

---

External links
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.