Vulnerability · Published Sep 3, 2024 · Assigned by mozilla

CVE-2024-8385

Critical 9.8

In plain English

A critical-severity type confusion in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 52.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8firefox128.2.0-1.el8_10.alma.1ALSA-2024:6682
AlmaLinux:9firefox128.2.0-1.el9_4.alma.1ALSA-2024:6681
AlmaLinux:9firefox-x11128.2.0-1.el9_4.alma.1ALSA-2024:6681
AlmaLinux:8thunderbird128.2.0-1.el8_10.alma.1ALSA-2024:6684
AlmaLinux:9thunderbird128.2.0-1.el9_4.alma.1ALSA-2024:6683
Debian:13thunderbird1:128.2.0esr-1DEBIAN-CVE-2024-8385
Debian:14thunderbird1:128.2.0esr-1DEBIAN-CVE-2024-8385
Rocky Linux:8firefox0:128.2.0-1.el8_10RLSA-2024:6682
Rocky Linux:9firefox0:128.2.0-1.el9_4.0.1RLSA-2024:6681
Rocky Linux:8thunderbird0:128.2.0-1.el8_10RLSA-2024:6684
Rocky Linux:9thunderbird0:128.2.0-1.el9_4.0.1RLSA-2024:6683
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-8385
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2024-8385
Ubuntu:24.04:LTSmozjs115no fix listedUBUNTU-CVE-2024-8385
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2024-8385
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2024-8385

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 130
Mozilla Firefox ESR unspecified – before 128.2
Mozilla Thunderbird unspecified – before 128.2

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References