CVE-2026-91815: CWE-787: Out-of-bounds Write in Foxit Software Inc. Foxit PDF Editor
CVE-2026-91815 is a high-severity vulnerability in Foxit PDF Editor caused by insufficient verification of JPEG2000 image metadata in PDF files. This flaw leads to an out-of-bounds write in the heap buffer during image decoding, which can cause the application to crash and may allow arbitrary code execution.
AI Analysis
Technical Summary
Foxit PDF Editor/Reader does not adequately validate JPEG2000 image metadata embedded in PDF files. This results in a heap-based out-of-bounds write vulnerability (CWE-787) during the decoding process. Exploitation could lead to program crashes and potentially arbitrary code execution. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high severity. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation of this vulnerability can cause the Foxit PDF Editor application to crash and may enable an attacker to execute arbitrary code with the privileges of the user running the application. This could lead to compromise 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, users should exercise caution when opening PDF files from untrusted sources, especially those containing JPEG2000 images.
CVE-2026-91815: CWE-787: Out-of-bounds Write in Foxit Software Inc. Foxit PDF Editor
Description
CVE-2026-91815 is a high-severity vulnerability in Foxit PDF Editor caused by insufficient verification of JPEG2000 image metadata in PDF files. This flaw leads to an out-of-bounds write in the heap buffer during image decoding, which can cause the application to crash and may allow arbitrary 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
Foxit PDF Editor/Reader does not adequately validate JPEG2000 image metadata embedded in PDF files. This results in a heap-based out-of-bounds write vulnerability (CWE-787) during the decoding process. Exploitation could lead to program crashes and potentially arbitrary code execution. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high severity. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation of this vulnerability can cause the Foxit PDF Editor application to crash and may enable an attacker to execute arbitrary code with the privileges of the user running the application. This could lead to compromise 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, users should exercise caution when opening PDF files from untrusted sources, especially those containing JPEG2000 images.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Foxit
- Date Reserved
- 2026-09-15T07:34:45.816Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab387ccf7a7c541067c167a
Added to database: 09/23/2026, 08:03:24 UTC
Last enriched: 09/23/2026, 08:17:50 UTC
Last updated: 09/23/2026, 09:10:07 UTC
Views: 5
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