How severe is CVE-2017-8455?

CVE-2017-8455 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-2017-8455 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-2017-8455?

CVE-2017-8455 primarily affects Foxitsoftware Foxit Reader. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-8455?

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-2017-8455 published?

CVE-2017-8455 was published on 2017-05-03 and last updated on 2026-06-17.

CVE-2017-8455

CVE-2017-8455 is a high-severity vulnerability in Foxitsoftware Foxit Reader 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)
CVSS v2: 6.8
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Foxitsoftware Foxit Reader
Published: 2017-05-03
Last modified: 2026-06-17

Description

Foxit Reader before 8.2.1 and PhantomPDF before 8.2.1 have an out-of-bounds read that allows remote attackers to obtain sensitive information or possibly execute arbitrary code via a crafted font in a PDF document.

Frequently asked questions

What is CVE-2017-8455?: Foxit Reader before 8.2.1 and PhantomPDF before 8.2.1 have an out-of-bounds read that allows remote attackers to obtain sensitive information or possibly execute arbitrary code via a crafted font in a PDF document.
How severe is CVE-2017-8455?: CVE-2017-8455 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-2017-8455 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-2017-8455?: CVE-2017-8455 primarily affects Foxitsoftware Foxit Reader. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-8455?: 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-2017-8455 published?: CVE-2017-8455 was published on 2017-05-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:foxitsoftware:foxit_reader:*:*:*:*:*:*:*:*
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*

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