CVE-2022-38475 json
An attacker could have written a value to the first element in a zero-length JavaScript array.
published 2022-12-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-41058
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
An attacker could have written a value to the first element in a zero-length JavaScript array. Although the array was zero-length, the value was not written to an invalid memory address. This vulnerability affects Firefox < 104.
Patch / fix
- Mozilla Firefox 104
- firefox Ubuntu 18.04 LTS 104.0+build3-0ubuntu0.18.04.1
- firefox Ubuntu 20.04 LTS 104.0+build3-0ubuntu0.20.04.1
- thunderbird Ubuntu 20.04 LTS 1:102.2.2+build1-0ubuntu0.20.04.1
- thunderbird Ubuntu 22.04 LTS 1:102.2.2+build1-0ubuntu0.22.04.1
ubuntu advisories UBUNTU-CVE-2022-38475
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 104.0-1.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:12286-1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
Affected products
- Mozilla Firefox
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
mozilla.org
/security/advisories/mfsa2022-33/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1773266
issue-tracking, permissions-required, vendor-advisory
Sources
- CVE List CVE-2022-38475
- NVD CVE-2022-38475
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.