#VU55687 Type Confusion in Mozilla Firefox - CVE-2021-29982
Published: August 10, 2021
Vulnerability identifier: #VU55687
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-29982
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Mozilla Firefox
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect JIT optimization and a type confusion error. A remote attacker can trick the victim to open a specially crafted web page and read a single bit of memory.
Remediation
Install updates from vendor's website.