CVE-2022-46882: mozilla firefox Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-46882DEBIAN-CVE-2022-46882
Published 22-12-2022Last modified 15-04-2025
Vulnerability summary
CVE-2022-46882 is a critical (CVSS 9.8) Use After Free vulnerability in mozilla firefox. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.95%
0%100%
Low · +0.03 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 6DLA-3241-1DLA-3242-1DSA-5301-1DSA-5303-1MGASA-2022-0475MGASA-2022-0476OPENSUSE-SU-2024:12571-1RHSA-2022:9065RHSA-2022:9066RHSA-2022:9067RHSA-2022:9068RHSA-2022:9069RHSA-2022:9070RHSA-2022:9071RHSA-2022:9072RHSA-2022:9074RHSA-2022:9075RHSA-2022:9076RHSA-2022:9077RHSA-2022:9078RHSA-2022:9079RHSA-2022:9080RHSA-2022:9081SUSE-SU-2022:4460-1SUSE-SU-2022:4461-1SUSE-SU-2022:4462-1SUSE-SU-2022:4579-1USN-5824-1
Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last modifiedVulnerability information updated.
Description
A use-after-free in WebGL extensions could have led to a potentially exploitable crash. This vulnerability affects Firefox < 107, Firefox ESR < 102.6, and Thunderbird < 102.6.
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
0.95%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
+0.03 pp
From 0.92% on 19-09-2026
19-09-202619-10-2026
EPSS score0.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla3 products
- firefox≥ unspecified, < 107 | < 107.0
- firefox_esr≥ unspecified, < 102.6 | < 102.6
- thunderbird≥ unspecified, < 102.6 | < 102.6
Debian2 products
- firefox-esr< 102.6.0esr-1
- thunderbird< 1:102.6.0-1
Ubuntu1 product
- thunderbird< 1:102.7.1+build2-0ubuntu0.18.04.1 | < 1:102.7.1+build2-0ubuntu0.20.04.1 | < 1:102.7.1+build2-0ubuntu0.22.04.1
3 vendors · 6 products
References
12 links- www.mozilla.org/security/advisories/mfsa2022-47/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-52/Vendor Advisory
- www.mozilla.org/security/advisories/mfsa2022-53/Vendor Advisory
- security.gentoo.org/glsa/202305-06Vendor Advisory
- security.gentoo.org/glsa/202305-13Vendor Advisory
