CVE-2023-24308 — A potential memory vulnerability due to insufficient input validation in PDFXEdi

A potential memory vulnerability due to insufficient input validation in PDFXEditCore.x64.dll in PDF-XChange Editor version 9.3 by Tracker Software may allow attackers to execute code when a user opens a crafted PDF file. The issue occurs when handling a large number of objects i

01What is this vulnerability?

A potential memory vulnerability due to insufficient input validation in PDFXEditCore.x64.dll in PDF-XChange Editor version 9.3 by Tracker Software may allow attackers to execute code when a user opens a crafted PDF file. The issue occurs when handling a large number of objects in a PDF file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-03-28T00:00:00.000Z
• Last modified: 2025-02-19T15:34:46.024Z

09References

• www.sit.fraunhofer.de — https://www.sit.fraunhofer.de/cve-2023-24308/