Infinite loop in PyPDF - CVE-2023-36464

 

Infinite loop in PyPDF - CVE-2023-36464

Published: June 28, 2023


Vulnerability identifier: #VU77755
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-36464
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Pypdf Project
Affected software:
PyPDF

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop if __parse_content_stream is executed. A remote attacker can consume all available system resources and cause denial of service conditions.


How to mitigate CVE-2023-36464

Install updates from vendor's website.

Sources