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.

• CWE-400
• CWE-770
• CWE-770

• https://github.com/ZeroXJacks/CVEs/blob/main/2026/CVE-2026-25535.mdExploit, Third Party Advisory
• https://github.com/parallax/jsPDF/commit/2e5e156e284d92c7d134bce97e6418756941d5e6Patch
• https://github.com/parallax/jsPDF/releases/tag/v4.2.0Release Notes
• https://github.com/parallax/jsPDF/security/advisories/GHSA-67pg-wm7f-q7fjVendor Advisory
• https://access.redhat.com/errata/RHSA-2026:7110
• https://access.redhat.com/errata/RHSA-2026:7128
• https://access.redhat.com/security/cve/CVE-2026-25535
• https://bugzilla.redhat.com/show_bug.cgi?id=2440992
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25535.json

Published

Feb 19, 2026

Last Modified

Aug 18, 2026

Status

Modified

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