CVE-2022-36317

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-22 · updated 2026-06-17

Description

When visiting a website with an overly long URL, the user interface would start to hang. Due to session restore, this could lead to a permanent Denial of Service.<br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. 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=1759951
https://www.mozilla.org/security/advisories/mfsa2022-28/
https://bugzilla.mozilla.org/show_bug.cgi?id=1759951
https://www.mozilla.org/security/advisories/mfsa2022-28/

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