Vulnerability · Published May 14, 2024 · Assigned by mozilla
CVE-2024-4367
Medium 5.6
In plain English
A medium-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 70.7% (higher than 99.4% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)70.7%top 0.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack tooling1Public PoC
Official description
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. 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 |
| AlmaLinux:8 | webkit2gtk3 | 2.52.5-1.el8_10 | ALSA-2026:42088 |
| AlmaLinux:9 | webkit2gtk3 | 2.52.5-1.el9_8 | ALSA-2026:42062 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.52.5-1.el8_10 | ALSA-2026:42088 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.52.5-1.el9_8 | ALSA-2026:42062 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.52.5-1.el8_10 | ALSA-2026:42088 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.52.5-1.el9_8 | ALSA-2026:42062 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.52.5-1.el8_10 | ALSA-2026:42088 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.52.5-1.el9_8 | ALSA-2026:42062 |
| Debian:12 | firefox-esr | 115.11.0esr-1~deb12u1 | DSA-5691-1 |
| Debian:12 | firefox-esr | 115.11.0esr-1~deb12u1 | DEBIAN-CVE-2024-4367 |
| Debian:13 | firefox-esr | 115.11.0esr-1 | DEBIAN-CVE-2024-4367 |
| Debian:14 | firefox-esr | 115.11.0esr-1 | DEBIAN-CVE-2024-4367 |
| Debian:12 | thunderbird | 1:115.11.0-1~deb12u1 | DEBIAN-CVE-2024-4367 |
| Debian:12 | thunderbird | 1:115.11.0-1~deb12u1 | DSA-5693-1 |
| Debian:13 | thunderbird | 1:115.11.0-1 | DEBIAN-CVE-2024-4367 |
| Debian:14 | thunderbird | 1:115.11.0-1 | DEBIAN-CVE-2024-4367 |
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2024-4367 |
| Debian:13 | webkit2gtk | 2.52.5-1~deb13u1 | DEBIAN-CVE-2024-4367 |
| Debian:14 | webkit2gtk | 2.52.5-1 | DEBIAN-CVE-2024-4367 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2024-4367 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2024-4367 |
| Debian:14 | wpewebkit | 2.52.5-1 | DEBIAN-CVE-2024-4367 |
| 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 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.52.5-1.el8_10 | RLSA-2026:42088 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.52.5-1.el9_8 | RLSA-2026:42062 |
| Ubuntu:22.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-4367 |
| Ubuntu:24.04:LTS | mozjs102 | no fix listed | UBUNTU-CVE-2024-4367 |
| Ubuntu:22.04:LTS | mozjs78 | no fix listed | UBUNTU-CVE-2024-4367 |
| Ubuntu:22.04:LTS | mozjs91 | no fix listed | UBUNTU-CVE-2024-4367 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.11.0+build2-0ubuntu0.22.04.1 | UBUNTU-CVE-2024-4367 |
| Ubuntu:22.04:LTS | thunderbird | 1:115.11.0+build2-0ubuntu0.22.04.1 | USN-6782-1 |
| npm | pdfjs-dist | 4.2.67 | GHSA-wgrm-67xf-hhpq |
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-754 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1893645
- 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
- http://seclists.org/fulldisclosure/2024/Aug/30
- https://github.com/mozilla/pdf.js/releases/tag/v4.2.67
- https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/
- https://github.com/gogs/gogs/issues/7928
- https://www.exploit-db.com/exploits/52273
- https://cert-portal.siemens.com/productcert/html/ssa-827383.html