Description
PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of GIF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26763.
Published: 2025-06-25
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-19162 PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of GIF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26763.
History

Mon, 07 Jul 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Pdf-xchange
Pdf-xchange pdf-tools
Pdf-xchange pdf-xchange Editor
Pdf-xchange pdf-xchange Pro
CPEs cpe:2.3:a:pdf-xchange:pdf-tools:10.5.2.395:*:*:*:*:*:*:*
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.5.2.395:*:*:*:*:*:*:*
cpe:2.3:a:pdf-xchange:pdf-xchange_pro:10.5.2.395:*:*:*:*:*:*:*
Vendors & Products Pdf-xchange
Pdf-xchange pdf-tools
Pdf-xchange pdf-xchange Editor
Pdf-xchange pdf-xchange Pro

Thu, 26 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 25 Jun 2025 21:45:00 +0000

Type Values Removed Values Added
Description PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of GIF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26763.
Title PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Weaknesses CWE-122
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Subscriptions

Pdf-xchange Pdf-tools Pdf-xchange Editor Pdf-xchange Pro
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2025-06-26T14:12:02.268Z

Reserved: 2025-06-25T14:30:58.060Z

Link: CVE-2025-6660

cve-icon Vulnrichment

Updated: 2025-06-26T14:11:56.148Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-25T22:15:23.863

Modified: 2025-07-07T17:37:13.450

Link: CVE-2025-6660

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-06T22:16:32Z

Weaknesses