Vulnerability Details : CVE-2022-29916
Potential exploit
Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
Products affected by CVE-2022-29916
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-29916
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-29916
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-15 |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2022-29916
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-29916
-
https://www.mozilla.org/security/advisories/mfsa2022-16/
Security Vulnerabilities fixed in Firefox 100 — MozillaExploit;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-17/
Security Vulnerabilities fixed in Firefox ESR 91.9 — MozillaExploit;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1760674
1760674 - (CVE-2022-29916) Utilizing CSS variables caused a browser behavior that leaks the information on visited linksExploit;Issue Tracking;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-18/
Security Vulnerabilities fixed in Thunderbird 91.9 — MozillaExploit;Vendor Advisory
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