Vulnerability · Published May 14, 2024 · Assigned by mozilla
CVE-2024-4769
Medium 5.9
In plain English
A medium-severity security flaw 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 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
When importing resources using Web Workers, error messages would distinguish the difference between `application/javascript` responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | firefox | 115.11.0-1.el8_10.alma.1 | ALSA-2024:3783 |
| AlmaLinux:9 | firefox | 115.11.0-1.el9_4.alma.1 | ALSA-2024:2883 |
| AlmaLinux:9 | firefox-x11 | 115.11.0-1.el9_4.alma.1 | ALSA-2024:2883 |
| AlmaLinux:8 | thunderbird | 115.11.0-1.el8_10.alma.1 | ALSA-2024:3784 |
| AlmaLinux:9 | thunderbird | 115.11.0-1.el9_4.alma.1 | ALSA-2024:2888 |
| Debian:12 | firefox-esr | 115.11.0esr-1~deb12u1 | DEBIAN-CVE-2024-4769 |
| Debian:12 | firefox-esr | 115.11.0esr-1~deb12u1 | DSA-5691-1 |
| Debian:13 | firefox-esr | 115.11.0esr-1 | DEBIAN-CVE-2024-4769 |
| Debian:14 | firefox-esr | 115.11.0esr-1 | DEBIAN-CVE-2024-4769 |
| Debian:12 | thunderbird | 1:115.11.0-1~deb12u1 | DSA-5693-1 |
| Debian:12 | thunderbird | 1:115.11.0-1~deb12u1 | DEBIAN-CVE-2024-4769 |
| Debian:13 | thunderbird | 1:115.11.0-1 | DEBIAN-CVE-2024-4769 |
| Debian:14 | thunderbird | 1:115.11.0-1 | DEBIAN-CVE-2024-4769 |
| Rocky Linux:8 | firefox | 0:115.11.0-1.el8_10 | RLSA-2024:3783 |
| Rocky Linux:8 | thunderbird | 0:115.11.0-1.el8_10 | RLSA-2024:3784 |
| Rocky Linux:9 | thunderbird | 0:115.11.0-1.el9_4 | RLSA-2024:2888 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-4769 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-4769 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-4769 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-4769 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.11.0+build2-0ubuntu0.22.04.1 | USN-6782-1 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.11.0+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-4769 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 126 |
| Mozilla | Firefox ESR | unspecified – before 115.11 |
| Mozilla | Thunderbird | unspecified – before 115.11 |
Weakness: CWE-351 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1886108
- https://www.mozilla.org/security/advisories/mfsa2024-21/
- https://www.mozilla.org/security/advisories/mfsa2024-22/
- https://www.mozilla.org/security/advisories/mfsa2024-23/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00012.html