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GHSA-67pg-wm7f-q7fj
No affected components available
Impact
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, wich lead to excessive memory allocation.
Other affected methods are: html.
Example attack vector:
import { jsPDF } from "jspdf"
// malicious GIF image data with large width/height headers
const payload = ...
const doc = new jsPDF();
doc.addImage(payload, "GIF", 0, 0, 100, 100);
Patches
The vulnerability has been fixed in jsPDF 4.1.1. Upgrade to jspdf@>=4.2.0.
Workarounds
Sanitize image data or URLs before passing it to the addImage method or one of the other affected methods.
References
https://github.com/ZeroXJacks/CVEs/blob/main/2026/CVE-2026-25535.md
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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