Use-After-Free Vulnerability in Foxit Reader and PhantomPDF
CVE-2020-26534

9.8CRITICAL

Key Information:

Vendor

Foxit
Status
Foxit Reader
PhantomPDF
Vendor
CVE Published:
2 October 2020

What is CVE-2020-26534?

A vulnerability exists in Foxit Reader and PhantomPDF that can be exploited through a use-after-free condition related to the handling of Opt objects during the execution of AcroForm JavaScript. This issue arises when the software fails to properly manage memory during operations such as clearing items or deleting options from fields. Attackers could leverage this flaw to execute malicious scripts, potentially compromising the confidentiality and integrity of sensitive data.

References

https://www.foxitsoftware.com/support/security-bulletins....
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.