Vulnerability · Published Sep 3, 2024 · Assigned by mozilla
CVE-2024-8387
Critical 9.8
In plain English
A critical-severity memory corruption 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.
Official description
Memory safety bugs present in Firefox 129, Firefox ESR 128.1, and Thunderbird 128.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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-2024-8387 |
| Debian:14 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8387 |
| 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-2024-8387 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8387 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-8387 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-8387 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-8387 |
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-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H