CVE-2022-31736: mozilla firefox
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-31736DEBIAN-CVE-2022-31736
Published 22-12-2022Last modified 15-04-2025
Vulnerability summary
CVE-2022-31736 is a critical (CVSS 9.8) vulnerability in mozilla firefox. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.07%
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 27 · Related 9DLA-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-5512-1
Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
A malicious website could have learned the size of a cross-origin resource that supported Range requests. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.07%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
+0.01 pp
From 1.05% on 19-09-2026
19-09-202619-10-2026
EPSS score1.07%
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
- 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
12 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
