Vulnerability · Published Sep 17, 2024 · Assigned by mozilla
CVE-2024-8900
High 7.5
In plain English
A high-severity incorrect permission assignment 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 37% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 63.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events. This vulnerability affects Firefox < 129, Firefox ESR < 128.3, and Thunderbird < 128.3.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 128.3.0-1.el8_10.alma.1 | ALSA-2024:7700 |
| Debian:13 | thunderbird | 1:128.3.0esr-1 | DEBIAN-CVE-2024-8900 |
| Debian:14 | thunderbird | 1:128.3.0esr-1 | DEBIAN-CVE-2024-8900 |
| Rocky Linux:8 | firefox | 0:128.3.0-1.el8_10 | RLSA-2024:7700 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 129 |
| Mozilla | Firefox ESR | unspecified – before 128.3 |
| Mozilla | Thunderbird | unspecified – before 128.3 |
Weakness: CWE-732 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N