CVE-2026-57255: pdf editor Out-of-bounds Read — Fix

Description

The application opens a PDF containing an abnormal color space whose attributes reference a valid but semantically malformed function. The function's output is not validated; when subsequently read, it produces an illegal pointer that accesses an out-of-bounds region, crashing the application.

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CVSS v3.1 Score

6.1

MEDIUM

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

EPSS — Exploit Prediction

0.0011

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
foxit	pdf_editor	< 13.2.4.24048
foxit	pdf_editor	14.0.0.33046 — 14.0.4.33508
foxit	pdf_editor	2023.1.0.15510 — 2023.3.0.23028
foxit	pdf_editor	2024.1.0.23997 — 2024.4.1.27687
foxit	pdf_editor	2025.1.0.27937 — 2025.3.0.35737
foxit	pdf_editor	2026.1.0.36452 — 2026.1.1.36485
foxit	pdf_reader	< 2026.1.1.36485
microsoft	windows	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-57255? +

The application opens a PDF containing an abnormal color space whose attributes reference a valid but semantically malformed function. The function's output is not validated; when subsequently read, it produces an illegal pointer that accesses an out-of-bounds region, crashing the application. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2026-57255? +

CVE-2026-57255 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0011, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-57255? +

CVE-2026-57255 affects products from foxit, microsoft, specifically: pdf_editor, pdf_reader, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-57255? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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