CVE-2026-24133 jsPDF Affected by Denial of Service (DoS) via Unvalidated BMP Dimensions in BMPDecoder
Attackers can cause denial of service in jsPDF by supplying malicious BMP images with excessive dimensions, leading to out-of-memory errors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-24133?
CVE-2026-24133 is a high-severity denial of service vulnerability in parallax jsPDF, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
jsPDF is a library to generate PDFs in JavaScript. Prior to 4.1.0, user control of the first argument of the addImage method results in denial of service. If given the possibility to pass unsanitized image data or URLs to the addImage method, a user can provide a harmful BMP file that results in out of memory errors and denial of service. Harmful BMP files have large width and/or height entries in their headers, which lead to excessive memory allocation. The html method is also affected. The vulnerability has been fixed in [email protected].
Weakness: CWE-770
Which versions are affected by CVE-2026-24133?
2 open source packages ship an affected version, including jspdf. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
jspdf npm | All versions | 4.1.0 |
jspdf npm | All versions | 4.1.0 |
Products include Parall Jspdf.
How do I fix CVE-2026-24133?
Upgrade jspdf to 4.1.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-24133 being exploited?
There is no known exploitation of CVE-2026-24133 in the wild and no public exploit code.
Other vulnerabilities in parallax jsPDF
- CVE-2026-31938 jsPDF has HTML Injection in New Window paths
- CVE-2025-68428 jsPDF has Local File Inclusion/Path Traversal vulnerability
- CVE-2026-25535 jsPDF Affected by Client-Side/Server-Side Denial of Service via Malicious GIF Dimensions
- CVE-2025-57810 jsPDF Parsing of Corrupt PNGs Leads to Potential Denial of Service (DoS)
- CVE-2025-29907 jsPDF Bypass Regular Expression Denial of Service (ReDoS)
Sources
Also known as GHSA-95fx-jjr5-f39c, ROOT-APP-NPM-CVE-2026-24133.