CVE-2021-38563
Last modified
CVE-2021-38563 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It mishandles situations in which an array size (derived from a /Size entry) is smaller than the maximum indirect object number, and thus there is an attempted incorrect array access (leading to a NULL pointer dereference, or out-of-bounds read or write).. EPSS estimates a 1.09% chance of exploitation in the next 30 days.
Description
An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It mishandles situations in which an array size (derived from a /Size entry) is smaller than the maximum indirect object number, and thus there is an attempted incorrect array access (leading to a NULL pointer dereference, or out-of-bounds read or write).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Foxit | Pdf Reader | <= 11.0.0.0510 |
| Foxitsoftware | Pdf Editor | <= 11.0.0.0510 |
References
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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