CVE-2026-91789
Foxit PDF Editor/Reader U3D File Parsing Integer Overflow Remote Code Execution Vulnerability
Description
Foxit PDF Editor/Reader’s U3D/GIF texture decoding path contained insufficient validation of image dimensions and related size information. Under certain conditions, this could lead to an incorrectly sized memory allocation and a subsequent out-of-bounds write during pixel processing, potentially resulting in remote code execution.
INFO
Published Date :
Sept. 23, 2026, 8:17 a.m.
Last Modified :
Sept. 23, 2026, 8:17 a.m.
Remotely Exploit :
No
Source :
14984358-7092-470d-8f34-ade47a7658a2
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 14984358-7092-470d-8f34-ade47a7658a2 |
Solution
- Update Foxit PDF Editor/Reader to the latest version.
- Apply vendor patches when available.
- Validate image dimension inputs rigorously.
- Ensure safe memory allocation practices.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-91789.
| URL | Resource |
|---|---|
| https://www.foxit.com/support/security-bulletins.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-91789 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-91789
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-91789 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-91789 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 14984358-7092-470d-8f34-ade47a7658a2
Sep. 23, 2026
Action Type Old Value New Value Added Description Foxit PDF Editor/Reader’s U3D/GIF texture decoding path contained insufficient validation of image dimensions and related size information. Under certain conditions, this could lead to an incorrectly sized memory allocation and a subsequent out-of-bounds write during pixel processing, potentially resulting in remote code execution. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-787 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/91xxx/CVE-2026-91789.json">CVE-2026-91789</a> Added Reference https://www.foxit.com/support/security-bulletins.html