How severe is CVE-2023-27337?

CVE-2023-27337 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-2023-27337 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-2023-27337?

CVE-2023-27337 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-2023-27337?

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-2023-27337 have an EU (EUVD) identifier?

Yes. CVE-2023-27337 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31113.

When was CVE-2023-27337 published?

CVE-2023-27337 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-27337

CVE-2023-27337 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-125.

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-2023-31113
Weakness: CWE-125
Affected product: Pdf-xchange Pdf-tools
Published: 2024-05-03
Last modified: 2026-06-17

Description

PDF-XChange Editor PDF File Parsing Out-Of-Bounds Read 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 read 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-18494.

Frequently asked questions

What is CVE-2023-27337?: PDF-XChange Editor PDF File Parsing Out-Of-Bounds Read 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 read 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-18494.
How severe is CVE-2023-27337?: CVE-2023-27337 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-2023-27337 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-2023-27337?: CVE-2023-27337 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-2023-27337?: 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-2023-27337 have an EU (EUVD) identifier?: Yes. CVE-2023-27337 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31113.
When was CVE-2023-27337 published?: CVE-2023-27337 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:pdf-xchange:pdf-tools:9.4.362.0:*:*:*:*:*:*:*
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:9.4.362.0:*:*:*:*:*:*:*

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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