CVE-2024-8385: mozilla firefox Type Confusion
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-8385DEBIAN-CVE-2024-8385CGA-28w3-8mcg-6wrgCGA-76cx-875w-c2cpCGA-gv4r-rjp8-jqhvCGA-rj82-ph2v-wccm
Published 03-09-2024Last modified 06-09-2024
Vulnerability summary
CVE-2024-8385 is a critical (CVSS 9.8) Type Confusion 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
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 23 · Related 9MGASA-2024-0325MGASA-2024-0332MGASA-2024-0334OPENSUSE-SU-2024:14358-1OPENSUSE-SU-2024:14369-1OPENSUSE-SU-2024:14572-1RHSA-2024:6681RHSA-2024:6682RHSA-2024:6683RHSA-2024:6684RHSA-2024:6719RHSA-2024:6720RHSA-2024:6721RHSA-2024:6722RHSA-2024:6723RHSA-2024:6816RHSA-2024:6838RHSA-2024:6891RHSA-2024:6892SUSE-SU-2024:3152-1SUSE-SU-2024:3157-1SUSE-SU-2024:3507-1USN-6992-1CGA-9M3V-84HC-67MJCGA-GMPG-P99G-XC2X
Timeline
- 03-09-2024PublishedVulnerability first disclosed.
- 06-09-2024Last modifiedVulnerability information updated.
Description
A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.
CVSS metrics
6 scores · 6 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 6 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
- OSV · WolfiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem 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
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
0.00 pp
From 0.57% 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
Ubuntu8 products
- firefox< 130.0+build2-0ubuntu0.20.04.1
- mozjs102All versions (No fix recorded)
- mozjs115All versions (No fix recorded)
- mozjs38All versions (No fix recorded)
- mozjs52All versions (No fix recorded)
Mozilla3 products
- firefox≥ unspecified, < 130 | < 130.0
- firefox_esr≥ unspecified, < 128.2 | < 128.2
- thunderbird≥ unspecified, < 128.2
Chainguard2 products
- firefox< 130.0-r0
- firefox-esr< 128.2.0-r0
Debian1 product
- thunderbird< 1:128.2.0esr-1
Wolfi1 product
- firefox< 130.0-r0
5 vendors · 15 products
