Use After Free in Pdf-Xchange Pdf-Tools

CVE-2024-8821

PDF-XChange Editor U3D File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. 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 parsing of U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24216.

Vulnerability class: Use-After-Free

EPSS: 0.004 (33.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-8821?
CVE-2024-8821 is a medium-severity vulnerability in Pdf-Xchange Pdf-Tools, classified under Use After Free. CVSS score: 5.5/10. Published 2024-11-22.
How severe is CVE-2024-8821?
Medium severity. CVSS v3 base score is 5.5 out of 10.