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Vulnerability record · CVE-2026-57242 · published 8 July 2026

CVE-2026-57242: Foxit pdf editor use after free vulnerability

Foxit · Pdf Editor

The application opens the PDF, and JavaScript modifies the form. However, the related objects on the page lack complete lifecycle management and null value validation; when the page state changes, the application continuously dereferences invalid objects, eventually leading to a crash.

7.8 CVSS 3.1 High EPSS 0.17% · top 94.3% CWE-416 · Use after free
7.8CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
1References
9 Jul 2026Last modified by NVD

Description

The application opens the PDF, and JavaScript modifies the form. However, the related objects on the page lack complete lifecycle management and null value validation; when the page state changes, the application continuously dereferences invalid objects, eventually leading to a crash.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-28104Foxit pdf editor unrestricted file upload vulnerabilityFoxit PDF Editor v11.3.1 was discovered to contain an arbitrary file upload vulnerability.EPSS 1.9%9.8CVE-2022-24954Foxit pdf reader out-of-bounds write vulnerabilityFoxit PDF Reader before 11.2.1 and Foxit PDF Editor before 11.2.1 have a Stack-Based Buffer Overflow related to XFA, for the 'subform colSpan="-2"' a…EPSS 12%9.8CVE-2022-24955Foxit pdf reader uncontrolled search path element vulnerabilityFoxit PDF Reader before 11.2.1 and Foxit PDF Editor before 11.2.1 have an Uncontrolled Search Path Element for DLL files.EPSS 1.1%9.8CVE-2021-38563Foxit pdf reader vulnerabilityAn issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It mishandles situations in which an array size (derived from…EPSS 1.1%8.8CVE-2025-13941Foxit pdf editor incorrect permission assignment vulnerabilityA local privilege escalation vulnerability exists in the Foxit PDF Reader/Editor Update Service. During plugin installation, incorrect file system pe…EPSS 0.19%8.8CVE-2025-32451Foxit pdf reader vulnerabilityA memory corruption vulnerability exists in Foxit Reader 2025.1.0.27937 due to the use of an uninitialized pointer. A specially crafted Javascript co…EPSS 0.58%8.8CVE-2024-47810Foxit pdf editor use after free vulnerabilityA use-after-free vulnerability exists in the way Foxit Reader 2024.3.0.26795 handles a 3D page object. A specially crafted Javascript code inside a m…EPSS 1.3%8.8CVE-2024-49576Foxit pdf editor use after free vulnerabilityA use-after-free vulnerability exists in the way Foxit Reader 2024.3.0.26795 handles a checkbox CBF_Widget object. A specially crafted Javascript cod…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2026-57242), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.