CVE-2022-45407 json
If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a poten…
published 2022-12-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48279
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
If an attacker loaded a font using <code>FontFace()</code> on a background worker, a use-after-free could have occurred, leading to a potentially exploitable crash. This vulnerability affects Firefox < 107.
Patch / fix
- Mozilla Firefox 107
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 107.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12518-1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Mozilla Firefox
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
mozilla.org
/security/advisories/mfsa2022-47/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1793314
issue-tracking, permissions-required, vendor-advisory
Sources
- CVE List CVE-2022-45407
- NVD CVE-2022-45407
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