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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6682 |
| AlmaLinux:9 | firefox | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6681 |
| AlmaLinux:9 | firefox-x11 | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6681 |
| AlmaLinux:8 | thunderbird | 128.2.0-1.el8_10.alma.1 | ALSA-2024:6684 |
| AlmaLinux:9 | thunderbird | 128.2.0-1.el9_4.alma.1 | ALSA-2024:6683 |
| Debian:13 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8385 |
| Debian:14 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8385 |
| Rocky Linux:8 | firefox | 0:128.2.0-1.el8_10 | RLSA-2024:6682 |
| Rocky Linux:9 | firefox | 0:128.2.0-1.el9_4.0.1 | RLSA-2024:6681 |
| Rocky Linux:8 | thunderbird | 0:128.2.0-1.el8_10 | RLSA-2024:6684 |
| Rocky Linux:9 | thunderbird | 0:128.2.0-1.el9_4.0.1 | RLSA-2024:6683 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8385 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8385 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-8385 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-8385 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-8385 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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