CVE-2022-22763: mozilla firefox Race Condition
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-22763DEBIAN-CVE-2022-22763
Published 22-12-2022Last modified 16-04-2025
Vulnerability summary
CVE-2022-22763 is a high (CVSS 8.8) Race Condition vulnerability in mozilla firefox. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.57%
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 24 · Related 8DLA-2916-1DLA-2921-1DSA-5069-1DSA-5074-1MGASA-2022-0057MGASA-2022-0061OPENSUSE-SU-2022:0559-1OPENSUSE-SU-2024:11842-1RHSA-2022:0510RHSA-2022:0511RHSA-2022:0512RHSA-2022:0513RHSA-2022:0514RHSA-2022:0535RHSA-2022:0536RHSA-2022:0537RHSA-2022:0538RHSA-2022:0539SUSE-SU-2022:0559-1SUSE-SU-2022:0565-1SUSE-SU-2022:0676-1SUSE-SU-2022:0696-1SUSE-SU-2022:14896-1USN-5345-1
Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 16-04-2025Last modifiedVulnerability information updated.
Description
When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.01 pp
From 0.56% on 19-09-2026
19-09-202619-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu5 products
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
- thunderbird< 1:91.7.0+build2-0ubuntu0.18.04.1 | < 1:91.7.0+build2-0ubuntu0.20.04.1 | < 1:91.6.1+build1-0ubuntu1
Mozilla3 products
- firefox≥ unspecified, < 96 | < 96.0
- firefox_esr≥ unspecified, < 91.6 | < 91.6
- thunderbird≥ unspecified, < 91.6 | < 91.6
Debian2 products
- firefox-esr< 91.6.0esr-1
- thunderbird< 1:91.6.0-1
3 vendors · 10 products
References
10 links- www.mozilla.org/security/advisories/mfsa2022-05/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-06/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
