CVE-2023-25731: High severity Mozilla Firefox vulnerability
Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 131.0.2-2 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 110 - Upgrade
Upgrade
Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 110
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is CVE-2023-25731?
CVE-2023-25731 is a vulnerability in Firefox < 110 that allows query parameters in URLs to potentially overwrite global objects in privileged code.
How does CVE-2023-25731 affect Firefox?
CVE-2023-25731 affects Firefox versions earlier than 110.
What is the severity of CVE-2023-25731?
CVE-2023-25731 has a low severity rating.
How can I fix CVE-2023-25731?
To fix CVE-2023-25731, update Firefox to version 110 or higher.
Where can I find more information about CVE-2023-25731?
You can find more information about CVE-2023-25731 in the Mozilla Security Advisory (MFSA2023-05), Bugzilla entry, and the corresponding CVE reference.