How severe is CVE-2023-39484?

CVE-2023-39484 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-39484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39484?

CVE-2023-39484 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-2023-39484?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-39484 have an EU (EUVD) identifier?

Yes. CVE-2023-39484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43207.

When was CVE-2023-39484 published?

CVE-2023-39484 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2023-39484

CVE-2023-39484 is a medium-severity vulnerability in Pdf-xchange Pdf-tools with a CVSS 3.x base score of 5.5. 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-908.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-43207
Weakness: CWE-908
Affected product: Pdf-xchange Pdf-tools
Published: 2024-05-03
Last modified: 2026-06-17

Description

PDF-XChange Editor PDF File Parsing Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18493.

Frequently asked questions

What is CVE-2023-39484?: PDF-XChange Editor PDF File Parsing Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-18493.
How severe is CVE-2023-39484?: CVE-2023-39484 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-39484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39484?: CVE-2023-39484 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-2023-39484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-39484 have an EU (EUVD) identifier?: Yes. CVE-2023-39484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-43207.
When was CVE-2023-39484 published?: CVE-2023-39484 was published on 2024-05-03 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1123/

Affected products (2)

cpe:2.3:a:pdf-xchange:pdf-tools:10.0.1.371:*:*:*:*:*:*:*
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.0.1.371:*:*:*:*:*:*:*

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