CVE-2026-91794: CWE-787 Out-of-bounds write in Foxit Software Inc. Foxit PDF Editor
An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in Foxit PDF Editor due to improper consistency and boundary checks during processing of malformed color space data in PDFs. Exploitation may lead to application crashes and potentially remote code execution. The CVSS 3.1 score is 7.8, indicating high severity. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
Successful exploitation can cause the Foxit PDF Editor to crash and may allow an attacker to execute arbitrary code remotely with user interaction. This could compromise the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, exercise caution when opening untrusted PDF files, especially those with malformed color space data.
CVE-2026-91794: CWE-787 Out-of-bounds write in Foxit Software Inc. Foxit PDF Editor
Description
An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.
CVSS v3.1
Score 7.8high
Affected software
Foxit Software Inc.
Foxit PDF Editor
Foxit Software Inc.
Foxit PDF Reader
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in Foxit PDF Editor due to improper consistency and boundary checks during processing of malformed color space data in PDFs. Exploitation may lead to application crashes and potentially remote code execution. The CVSS 3.1 score is 7.8, indicating high severity. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
Successful exploitation can cause the Foxit PDF Editor to crash and may allow an attacker to execute arbitrary code remotely with user interaction. This could compromise the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, exercise caution when opening untrusted PDF files, especially those with malformed color space data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Foxit
- Date Reserved
- 2026-09-15T07:34:40.287Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab387c8f7a7c541067c1664
Added to database: 09/23/2026, 08:03:20 UTC
Last enriched: 09/23/2026, 08:20:01 UTC
Last updated: 09/24/2026, 01:57:04 UTC
Views: 9
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