Vulnerability identifier: #VU10970
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists due to the fetch() API can return transient local copies of resources that were sent with a no-store or no-cache cache header instead of downloading a copy from the network as it should. A remote attacker can share a common profile while browsing and access previously stored, locally cached data of a website.
Update to version ESR 52.7.
Vulnerable software versions
Firefox ESR: 52.6.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?