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HIGH

CVE-2026-25535

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-17

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • jspdfnpmall versions · fixed in 4.2.0

Vendor advisories

  • CVE-2026-25535 Red Hat Product Security8 products fixed

    jsPDF: denial of service via malicious GIF dimensions

  • RHSA-2026:7128 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: RHACS 4.9.5 security and bug fix update

  • RHSA-2026:7110 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: RHACS 4.8.10 security and bug fix update

Full record on NVD

Description

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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-02-19
Last Modified
2026-02-23

Frequently asked questions

What is 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.

Is CVE-2026-25535 actively exploited?

Active exploitation of CVE-2026-25535 has not been confirmed. Its EPSS score was 1.0% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-25535?

CVE-2026-25535 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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