CVE-2025-8043: Incorrect URL truncation
Focus incorrectly truncated URLs towards the beginning instead of around the origin.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 141 - Upgrade
Upgrade
Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 141
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-8043?
CVE-2025-8043 has been classified as a medium severity vulnerability.
How do I fix CVE-2025-8043?
To fix CVE-2025-8043, upgrade your Mozilla Firefox installation to version 141 or later.
What type of vulnerability is CVE-2025-8043?
CVE-2025-8043 is a URL truncation vulnerability affecting Mozilla Firefox.
Who is affected by CVE-2025-8043?
Users of Mozilla Firefox versions prior to 141 are affected by CVE-2025-8043.
What impact does CVE-2025-8043 have on users?
CVE-2025-8043 can lead to incorrect processing of URLs, potentially exposing users to security risks.