CVE-2018-7406

CVE-2018-7406 is a high-severity vulnerability in Foxitsoftware Phantompdf with a CVSS 3.x base score of 8.8. 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-129.

Key facts

Description

An issue was discovered in Foxit Reader before 9.1 and PhantomPDF before 9.1. This vulnerability allows remote attackers to execute arbitrary code. 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 u3d images inside of a pdf. The issue results from the lack of proper validation of user-supplied data, which can result in an array indexing issue. An attacker can leverage this to execute code in the context of the current process.

Frequently asked questions

What is CVE-2018-7406?
An issue was discovered in Foxit Reader before 9.1 and PhantomPDF before 9.1. This vulnerability allows remote attackers to execute arbitrary code. 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 u3d images inside of a pdf. The issue results from the lack of proper validation of user-supplied data, which can result in an array indexing issue. An attacker can leverage this to execute code in the context of the current process.
How severe is CVE-2018-7406?
CVE-2018-7406 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7406 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7406?
CVE-2018-7406 primarily affects Foxitsoftware Phantompdf. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7406?
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-2018-7406 published?
CVE-2018-7406 was published on 2018-05-24 and last updated on 2026-06-17.

References

Affected products (2)

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