How severe is CVE-2016-8879?

CVE-2016-8879 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-8879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8879?

CVE-2016-8879 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-2016-8879?

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

When was CVE-2016-8879 published?

CVE-2016-8879 was published on 2016-10-31 and last updated on 2026-06-17.

CVE-2016-8879

CVE-2016-8879 is a medium-severity vulnerability in Foxitsoftware Phantompdf with a CVSS 3.x base score of 6.5. 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (66th 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

The thumbnail shell extension plugin (FoxitThumbnailHndlr_x86.dll) in Foxit Reader and PhantomPDF before 8.1 on Windows allows remote attackers to cause a denial of service (out-of-bounds write and application crash) via a crafted JPEG2000 image embedded in a PDF document, aka an "Exploitable - Heap Corruption" issue.

Frequently asked questions

What is CVE-2016-8879?: The thumbnail shell extension plugin (FoxitThumbnailHndlr_x86.dll) in Foxit Reader and PhantomPDF before 8.1 on Windows allows remote attackers to cause a denial of service (out-of-bounds write and application crash) via a crafted JPEG2000 image embedded in a PDF document, aka an "Exploitable - Heap Corruption" issue.
How severe is CVE-2016-8879?: CVE-2016-8879 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-8879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8879?: CVE-2016-8879 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-2016-8879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8879 published?: CVE-2016-8879 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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