CVE-2022-22737: mozilla firefox Race Condition
Vulnerability summary
CVE-2022-22737 is a high (CVSS 7.5) Race Condition vulnerability in mozilla firefox. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 54.2% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 28 · Related 12Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 16-04-2025Last modifiedVulnerability information updated.
Description
Constructing audio sinks could have lead to a race condition when playing audio files and closing windows. This could have lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.75% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ubuntu6 products
- firefox< 96.0+build2-0ubuntu0.18.04.1 | < 96.0+build2-0ubuntu0.20.04.1 | < 96.0+build2-0ubuntu1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 96 | < 96.0
- firefox_esr≥ unspecified, < 91.5 | < 91.5
- thunderbird≥ unspecified, < 91.5 | < 91.5
Debian2 products
- firefox-esr< 91.5.0esr-1
- thunderbird< 1:91.5.0-1
3 vendors · 11 products
References
11 links- www.mozilla.org/security/advisories/mfsa2022-01/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-02/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-03/Vendor Advisory
