CVE-2023-32161
CVE-2023-32161 is a high-severity vulnerability in Pdf-xchange Pdf-tools with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-36429
- Weakness: CWE-787
- Affected product: Pdf-xchange Pdf-tools
- Published:
- Last modified:
Description
PDF-XChange Editor PDF File Parsing Out-Of-Bounds Write 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 PDF files. Crafted data in a PDF file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17778.
Frequently asked questions
- What is CVE-2023-32161?
- PDF-XChange Editor PDF File Parsing Out-Of-Bounds Write 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 PDF files. Crafted data in a PDF file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17778.
- How severe is CVE-2023-32161?
- CVE-2023-32161 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-32161 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-32161?
- CVE-2023-32161 primarily affects Pdf-xchange Pdf-tools. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-32161?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-32161 have an EU (EUVD) identifier?
- Yes. CVE-2023-32161 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36429.
- When was CVE-2023-32161 published?
- CVE-2023-32161 was published on 2024-05-03 and last updated on 2026-06-17.
References
- https://www.tracker-software.com/product/pdf-xchange-editor/history
- https://www.zerodayinitiative.com/advisories/ZDI-23-643/
Affected products (2)
- cpe:2.3:a:pdf-xchange:pdf-tools:9.3.361.0:*:*:*:*:*:*:*
- cpe:2.3:a:pdf-xchange:pdf-xchange_editor:9.3.361.0:*:*:*:*:*:*:*
More vulnerabilities in Pdf-xchange Pdf-tools
- CVE-2025-6661 — High (CVSS 7.8): PDF-XChange Editor App Object Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote…
- CVE-2025-6660 — High (CVSS 7.8): PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability…
- CVE-2025-6659 — High (CVSS 7.8): PDF-XChange Editor PRC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows…
- CVE-2025-6654 — High (CVSS 7.8): PDF-XChange Editor PRC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows…
- CVE-2025-6651 — High (CVSS 7.8): PDF-XChange Editor JP2 File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows…
- CVE-2025-6647 — High (CVSS 7.8): PDF-XChange Editor U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows…
All CVEs affecting Pdf-xchange Pdf-tools →
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