CVE-2022-31740: mozilla firefox
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2022-31740DEBIAN-CVE-2022-31740
Published 22-12-2022Last modified 16-04-2025
Vulnerability summary
CVE-2022-31740 is a high (CVSS 8.8) vulnerability in mozilla firefox. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.67%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 28 · Related 10DLA-3040-1DLA-3041-1DSA-5156-1DSA-5158-1MGASA-2022-0220MGASA-2022-0221OPENSUSE-SU-2024:12117-1OPENSUSE-SU-2024:12121-1OPENSUSE-SU-2024:14572-1RHSA-2022:4870RHSA-2022:4871RHSA-2022:4872RHSA-2022:4873RHSA-2022:4875RHSA-2022:4876RHSA-2022:4887RHSA-2022:4888RHSA-2022:4889RHSA-2022:4890RHSA-2022:4891RHSA-2022:4892SUSE-SU-2022:1920-1SUSE-SU-2022:1921-1SUSE-SU-2022:1927-1SUSE-SU-2022:2062-1USN-5475-1USN-5494-1USN-5512-1
Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 16-04-2025Last modifiedVulnerability information updated.
Description
On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
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
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
+0.02 pp
From 0.65% on 19-09-2026
19-09-202619-10-2026
EPSS score0.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu7 products
- firefox< 101.0.1+build1-0ubuntu0.18.04.1 | < 101.0.1+build1-0ubuntu0.20.04.1
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
- mozjs68All versions (No fix recorded)
- mozjs78All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 101 | < 101.0
- firefox_esr≥ unspecified, < 91.10 | < 91.10
- thunderbird≥ unspecified, < 91.10 | < 91.10
Debian2 products
- firefox-esr< 91.10.0esr-1
- thunderbird< 1:91.10.0-1
3 vendors · 12 products
References
13 links- www.mozilla.org/security/advisories/mfsa2022-20/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-22/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-21/Vendor Advisory
