CVE-2023-40471
highpriority · track · 31EPSS 0.004 · 34 %ileEURUUSEPSS · scored 2026-10-28
PDF-XChange Editor App Untrusted Pointer Dereference 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 handling of App objects. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20729.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
- pdf-xchange pdf-xchange editor= 9.5.368.0nvdUScpe:2.3:a:pdf-xchange:pdf-xchange_editor:*:*:*:*:*:*:*:*
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-40471/cnnvd
- https://www.pdf-xchange.com/product/downloadsPatchcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1150/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1150/enisa_euvd
- https://www.zerodayinitiative.com/advisories/ZDI-23-1150/Third Party Advisorynvd
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