Vulnerability · Published Aug 6, 2024 · Assigned by mozilla
CVE-2024-7520
High 8.8
In plain English
A high-severity code injection 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 51% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A type confusion bug in WebAssembly could be leveraged by an attacker to potentially achieve code execution. This vulnerability affects Firefox < 129, Firefox ESR < 128.1, and Thunderbird < 128.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 115.14.0-2.el8_10.alma.1 | ALSA-2024:5391 |
| AlmaLinux:9 | firefox | 115.14.0-2.el9_4.alma.1 | ALSA-2024:5322 |
| AlmaLinux:9 | firefox-x11 | 115.14.0-2.el9_4.alma.1 | ALSA-2024:5322 |
| AlmaLinux:8 | thunderbird | 115.14.0-1.el8_10.alma.1 | ALSA-2024:5402 |
| AlmaLinux:9 | thunderbird | 115.14.0-1.el9_4.alma.1 | ALSA-2024:5392 |
| Rocky Linux:8 | firefox | 0:115.14.0-2.el8_10 | RLSA-2024:5391 |
| Rocky Linux:8 | thunderbird | 0:115.14.0-1.el8_10 | RLSA-2024:5402 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-7520 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-7520 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-7520 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-7520 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-7520 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 129 |
| Mozilla | Firefox ESR | unspecified – before 128.1 |
| Mozilla | Thunderbird | unspecified – before 128.1 |
Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H