Vulnerability identifier: #VU55678
Vulnerability risk: High
Exploitation vector: Network
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a race condition in
getaddrinfowhen resolving DNS names. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note, the vulnerability affects Linux systems only.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 60.0 - 90.0.2
Firefox ESR: 78.0 - 78.12.0, 68.0 - 68.12.0, 60.0 - 60.9.0
Fixed software versions
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?