Vulnerability · Published Oct 1, 2024 · Assigned by mozilla
CVE-2024-9403
High 7.3
In plain English
A high-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 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Memory safety bugs present in Firefox 130. 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 < 131 and Thunderbird < 131.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 128.3.0-1.el8_10.alma.1 | ALSA-2024:7700 |
| AlmaLinux:8 | thunderbird | 128.3.0-1.el8_10.alma.1 | ALSA-2024:7699 |
| AlmaLinux:9 | thunderbird | 128.3.0-1.el9_4.alma.1 | ALSA-2024:7552 |
| Rocky Linux:8 | thunderbird | 0:128.3.0-1.el8_10 | RLSA-2024:7699 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-9403 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-9403 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-9403 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-9403 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-9403 |
| Ubuntu:22.04:LTS | thunderbird | 1:140.7.1+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-9403 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 131 |
| Mozilla | Thunderbird | unspecified – before 131 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L