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Vulnerability record · CVE-2026-91815 · published 23 September 2026

CVE-2026-91815: Out-of-bounds write vulnerability

Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.

7.8 CVSS 3.1 High EPSS 0.13% · top 98.0% CWE-787 · Out-of-bounds write Awaiting Analysis
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
23 Sep 2026Last modified by NVD

Description

Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://www.foxit.com/support/security-bulletins.html

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Source: NIST National Vulnerability Database (record CVE-2026-91815), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.