CVE-2022-22736 json
If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current director…
published 2022-12-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27879
- cvss
- 7.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
If Firefox was installed to a world-writable directory, a local privilege escalation could occur when Firefox searched the current directory for system libraries. However the install directory is not world-writable by default.<br>*This bug only affects Firefox for Windows in a non-default installation. Other operating systems are unaffected.*. This vulnerability affects Firefox < 96.
Patch / fix
- Mozilla Firefox 96
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 96.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:11732-1
- firefox Alpine 3.23, Alpine 3.22, Alpine 3.21 +5 more 97.0-r0
- librewolf Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 97.0-r0
alpine advisories ALPINE-CVE-2022-22736
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1742692 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox
Classification
- Weakness
-
- CWE-427 Uncontrolled Search Path Element
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1742692
exploit, issue-tracking, vendor-advisory
-
mozilla.org
/security/advisories/mfsa2022-01/
vendor-advisory
Sources
- CVE List CVE-2022-22736
- NVD CVE-2022-22736
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.