Resource exhaustion in Parall Jspdf

CVE-2026-25535

jsPDF is a library to generate PDFs in JavaScript. Prior to 4.2.0, 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 GIF file that results in out of memory errors and denial of service. Harmful GIF files have large width and/or height entries in their headers, which lead to excessive memory allocation. Other affected methods are: `html`. The vulnerability has been fixed in jsPDF 4.2.0. As a workaround, sanitize image data or URLs before passing it to the addImage method or one of the other affected methods.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25535?
CVE-2026-25535 is a high-severity vulnerability in Parall Jspdf, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-02-19.
How severe is CVE-2026-25535?
High severity. CVSS v3 base score is 7.5 out of 10.