Vulnerability · Published Sep 3, 2024 · Assigned by mozilla
CVE-2024-8381
Critical 9.8
In plain English
A critical-severity type confusion 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 4.4% (higher than 91% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
A potentially exploitable type confusion could be triggered when looking up a property name on an object being used as the `with` environment. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, Firefox ESR < 115.15, Thunderbird < 128.2, and Thunderbird < 115.15.
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:12 | firefox-esr | 115.15.0esr-1~deb12u1 | DEBIAN-CVE-2024-8381 |
| Debian:12 | firefox-esr | 115.15.0esr-1~deb12u1 | DSA-5765-1 |
| Debian:13 | firefox-esr | 115.15.0esr-1 | DEBIAN-CVE-2024-8381 |
| Debian:14 | firefox-esr | 115.15.0esr-1 | DEBIAN-CVE-2024-8381 |
| Debian:12 | thunderbird | 1:115.15.0-1~deb12u1 | DSA-5767-1 |
| Debian:12 | thunderbird | 1:115.15.0-1~deb12u1 | DEBIAN-CVE-2024-8381 |
| Debian:13 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8381 |
| Debian:14 | thunderbird | 1:128.2.0esr-1 | DEBIAN-CVE-2024-8381 |
| 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-2024-8381 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-8381 |
| Ubuntu:24.04:LTS | mozjs115 | no fix listed | UBUNTU-CVE-2024-8381 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-8381 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-8381 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.15.0+build1-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-8381 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.15.0+build1-0ubuntu0.22.04.1 | USN-6995-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | unspecified – before 130 |
| Mozilla | Firefox ESR | unspecified – before 128.2 |
| Mozilla | Firefox ESR | unspecified – before 115.15 |
| Mozilla | Thunderbird | unspecified – before 128.2 |
| Mozilla | Thunderbird | unspecified – before 115.15 |
Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1912715
- https://www.mozilla.org/security/advisories/mfsa2024-39/
- https://www.mozilla.org/security/advisories/mfsa2024-40/
- https://www.mozilla.org/security/advisories/mfsa2024-41/
- https://www.mozilla.org/security/advisories/mfsa2024-43/
- https://www.mozilla.org/security/advisories/mfsa2024-44/
- https://lists.debian.org/debian-lts-announce/2024/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00012.html