- 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.
- Source
- security@mozilla.org
- NVD status
- Modified
- Products
- firefox, thunderbird, debian_linux, open-xchange_appsuite_frontend
CVSS 3.1
- Type
- Primary
- Base score
- 8.8
- Impact score
- 5.9
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
- nvd@nist.gov
- NVD-CWE-noinfo
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- CWE-754
- Hype score
- Not currently trending
🏁 Arbitrary JavaScript execution in PDF.js [CVE-2024-4367] Blog: https://t.co/Vxfxx2G7Jx #infosec https://t.co/DMjzCp00fe
@mqst_
21 Dec 2025
18172 Impressions
53 Retweets
342 Likes
196 Bookmarks
0 Replies
2 Quotes
設定ミスってバカにできなくて、 デフォルト値が安全でない場合や、ミスを防ぐUI/ガイダンスが不十分なら、設計のバグとして扱われる （例えばCVE-2024-4367とか） APIやドキュメントを正しく設計し、間違っ
@labelmake
16 Sept 2025
1093 Impressions
0 Retweets
3 Likes
1 Bookmark
1 Reply
0 Quotes
🧑💻 Arbitrary JavaScript execution in PDF.js [CVE-2024-4367] Blog: https://t.co/Vxfxx2FzTZ #infosec https://t.co/DUZKYucyJQ
@mqst_
5 Aug 2025
7732 Impressions
35 Retweets
178 Likes
66 Bookmarks
0 Replies
0 Quotes
🏁 Arbitrary JavaScript execution in PDF.js [CVE-2024-4367] Blog: https://t.co/Vxfxx2G7Jx #infosec https://t.co/nRe0afEPrf
@mqst_
11 Jun 2025
5073 Impressions
24 Retweets
156 Likes
68 Bookmarks
0 Replies
0 Quotes
Top 5 Trending CVEs: 1 - CVE-2024-43405 2 - CVE-2023-45866 3 - CVE-2024-49112 4 - CVE-2024-49113 5 - CVE-2024-4367 #cve #cvetrends #cveshield #cybersecurity https://t.co/4Fua3CAN6W
@CVEShield
5 Jan 2025
4 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
🚨 Heads up! CVE-2024-4367 exposes PDF.js to arbitrary JS execution in Firefox <126 & others. Update to v4.2.67+ to stay secure. Read more: https://t.co/guF9UclGSY #CyberSecurity #InfoSec
@ThreatVector24
3 Jan 2025
5 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
🚨 New Writeup Alert! 🚨 "PDF.js Arbitrary JavaScript Code Execution (CVE-2024-4367)" by coffinxp is now live on IW! Check it out here: https://t.co/w3ASA58O8L #cve #bugbountytips #bugbounty #bugbountywriteup #pdf
@InfoSecComm
3 Jan 2025
7202 Impressions
33 Retweets
162 Likes
94 Bookmarks
3 Replies
1 Quote
PDF.js Arbitrary JavaScript Code Execution (CVE-2024-4367) https://t.co/PNzAAWGxMC #bugbounty #bugbountytips #bugbountytip
@bountywriteups
3 Jan 2025
1270 Impressions
7 Retweets
36 Likes
16 Bookmarks
0 Replies
0 Quotes
Awesome! CVE-2024-4367 &#8211; Arbitrary JavaScript execution in PDF.js https://t.co/DTu8aNRGDU
@r00tth3w0r1d
28 Oct 2024
11 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
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