parallax jsPDF up to 4.0.x addImage allocation of resources

Summaryinfo

A vulnerability marked as problematic has been reported in parallax jsPDF up to 4.0.x. Impacted is the function addImage. The manipulation leads to allocation of resources. This vulnerability is referenced as CVE-2026-24133. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in parallax jsPDF up to 4.0.x. This issue affects the function addImage. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:

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].

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-24133 since 01/21/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 4.1.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch ae4b93f76d8fc1baa5614bd5fdb5d174c3b85f0d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0553). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

• Red Hat Enterprise Linux
• HCL BigFix

Productinfo

Vendor

• parallax

Name

• jsPDF

Version

• 4.0

License

• open-source

Website

• Product: https://github.com/parallax/jsPDF/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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