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Vulnerability record · CVE-2020-8850 · published 14 February 2020

CVE-2020-8850: Foxitsoftware reader out-of-bounds write vulnerability

Foxitsoftware · Reader

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.7.0.29455. 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 processing of JPEG2000 files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9415.

7.8 CVSS 3.1 High EPSS 6.0% · top 7.0% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
6.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.7.0.29455. 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 processing of JPEG2000 files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9415.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.foxitsoftware.com/support/security-bulletins.php Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-206/ Third Party AdvisoryVDB Entry
https://www.foxitsoftware.com/support/security-bulletins.php Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-206/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-8850), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.