How severe is CVE-2016-8877?

CVE-2016-8877 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-2016-8877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8877?

CVE-2016-8877 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-2016-8877?

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-2016-8877 published?

CVE-2016-8877 was published on 2016-10-31 and last updated on 2026-06-17.

CVE-2016-8877

CVE-2016-8877 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-787.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Foxitsoftware Phantompdf
Published: 2016-10-31
Last modified: 2026-06-17

Description

Heap buffer overflow (Out-of-Bounds write) vulnerability in Foxit Reader and PhantomPDF before 8.1 on Windows allows remote attackers to execute arbitrary code via a crafted JPEG2000 image embedded in a PDF document, aka a "corrupted suffix pattern" issue.

Frequently asked questions

What is CVE-2016-8877?: Heap buffer overflow (Out-of-Bounds write) vulnerability in Foxit Reader and PhantomPDF before 8.1 on Windows allows remote attackers to execute arbitrary code via a crafted JPEG2000 image embedded in a PDF document, aka a "corrupted suffix pattern" issue.
How severe is CVE-2016-8877?: CVE-2016-8877 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-2016-8877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8877?: CVE-2016-8877 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-2016-8877?: 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-2016-8877 published?: CVE-2016-8877 was published on 2016-10-31 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:windows:*:*
cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:windows:*:*

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