What’s Vulnerable › Vulnerabilities

CVE-2022-36316

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-601

Description

When using the Performance API, an attacker was able to notice subtle differences between PerformanceEntries and thus learn whether the target URL had been subject to a redirect. This vulnerability affects Firefox < 103.

Affected products

• Mozilla Firefox: before 103.0 — fixed in 103.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 103.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1768583
• https://www.mozilla.org/security/advisories/mfsa2022-28/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1768583
• https://www.mozilla.org/security/advisories/mfsa2022-28/

Get alerted when CVE-2022-36316 or the next vulnerability affects your stack