#VU89548 Use-after-free in Mozilla products - CVE-2024-4770


Vulnerability identifier: #VU89548

Vulnerability risk: Low

CVSSv4.0: [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-2024-4770

CWE-ID: CWE-416

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 crash the browser.

The vulnerability exists due to a use-after-free error when saving a page to PDF. A remote attacker can trick the victim to save a specially crafted web page to PDF and crash the browser.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 100.0 - 125.0.3

Firefox ESR: 102.0 - 102.15.1, 115.0 - 115.10.0

Firefox for Android: 100.1.0 - 124.2.0


External links
http://www.mozilla.org/en-US/security/advisories/mfsa2024-21/
http://www.mozilla.org/en-US/security/advisories/mfsa2024-22/


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.


Latest bulletins with this vulnerability