How severe is CVE-2022-42379?

CVE-2022-42379 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-2022-42379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42379?

CVE-2022-42379 affects Pdf-xchange Pdf-xchange Editor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42379?

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.

When was CVE-2022-42379 published?

CVE-2022-42379 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2022-42379

CVE-2022-42379 is a high-severity vulnerability in Pdf-xchange Pdf-xchange Editor 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: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Pdf-xchange Pdf-xchange Editor
Published: 2023-01-26
Last modified: 2026-06-17

Description

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 U3D files. Crafted data in a U3D 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-18648.

Frequently asked questions

What is CVE-2022-42379?: 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 U3D files. Crafted data in a U3D 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-18648.
How severe is CVE-2022-42379?: CVE-2022-42379 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-2022-42379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42379?: CVE-2022-42379 affects Pdf-xchange Pdf-xchange Editor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42379?: 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.
When was CVE-2022-42379 published?: CVE-2022-42379 was published on 2023-01-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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