CVE-2022-42930: mozilla firefox Race Condition
CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2022-42930
Published 22-12-2022Last modified 15-04-2025
Vulnerability summary
CVE-2022-42930 is a high (CVSS 7.1) Race Condition vulnerability in mozilla firefox. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.9% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
If two Workers were simultaneously initializing their CacheStorage, a data race could have occurred in the `ThirdPartyUtil` component. This vulnerability affects Firefox < 106.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.01 pp
From 0.39% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu2 products
- firefox< 106.0.2+build1-0ubuntu0.18.04.1 | < 106.0.2+build1-0ubuntu0.20.04.1
- thunderbird< 1:102.4.2+build2-0ubuntu0.20.04.1 | < 1:102.4.2+build2-0ubuntu0.22.04.1
Mozilla1 product
- firefox≥ unspecified, < 106 | < 106.0
2 vendors · 3 products
References
6 links- www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory