What’s Vulnerable › Vulnerabilities

CVE-2022-36318

• Severity: medium (CVSS 5.3 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
• Weakness: CWE-362

Description

When visiting directory listings for `chrome://` URLs as source text, some parameters were reflected. This vulnerability affects Firefox ESR < 102.1, Firefox ESR < 91.12, Firefox < 103, Thunderbird < 102.1, and Thunderbird < 91.12.

Affected products

• Mozilla Firefox: before 103.0 — fixed in 103.0
• Mozilla Firefox ESR: before 102.1; before 91.12 — fixed in 102.1, 91.12
• Mozilla Thunderbird: before 102.1; before 91.12 — fixed in 102.1, 91.12

How to fix

Upgrade to a fixed version: Mozilla Firefox 103.0; Mozilla Firefox ESR 102.1, 91.12; Mozilla Thunderbird 102.1, 91.12. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1771774
• https://www.mozilla.org/security/advisories/mfsa2022-28/
• https://www.mozilla.org/security/advisories/mfsa2022-29/
• https://www.mozilla.org/security/advisories/mfsa2022-30/
• https://www.mozilla.org/security/advisories/mfsa2022-31/
• https://www.mozilla.org/security/advisories/mfsa2022-32/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1771774
• https://www.mozilla.org/security/advisories/mfsa2022-28/
• https://www.mozilla.org/security/advisories/mfsa2022-29/
• https://www.mozilla.org/security/advisories/mfsa2022-30/
• https://www.mozilla.org/security/advisories/mfsa2022-31/
• https://www.mozilla.org/security/advisories/mfsa2022-32/

Get alerted when CVE-2022-36318 or the next vulnerability affects your stack