Buffer overflow in Foxit Software Inc. Pdf Editor

CVE-2026-57246

When dealing with abnormally constructed objects, there is a lack of argument validation; JavaScript triggers signature verification, but the signature plugin does not perform validation when copying the abnormal string, causing the applic…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-57246?
CVE-2026-57246 is a high-severity vulnerability in Foxit Software Inc. Pdf Editor, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2026-07-08.
How severe is CVE-2026-57246?
High severity. CVSS v3 base score is 7.8 out of 10.