Discover details about CVE-2021-39541, a vulnerability in pdftools through 20200714 that allows attackers to trigger a Denial of Service. Learn about impacts, affected systems, and mitigation steps.
This CVE-2021-39541 article provides insights into a vulnerability discovered in pdftools.
Understanding CVE-2021-39541
CVE-2021-39541 is a vulnerability found in pdftools that can lead to a Denial of Service attack due to a NULL pointer dereference in the Analyze::AnalyzeXref() function.
What is CVE-2021-39541?
The vulnerability, discovered in pdftools through 20200714, allows attackers to trigger a Denial of Service by exploiting a NULL pointer dereference in analyze.cpp.
The Impact of CVE-2021-39541
The vulnerability could be exploited by attackers to cause a Denial of Service on systems running the affected version of pdftools.
Technical Details of CVE-2021-39541
CVE-2021-39541 has the following technical details:
Vulnerability Description
A NULL pointer dereference exists in the function Analyze::AnalyzeXref(), leading to a Denial of Service.
Affected Systems and Versions
Exploitation Mechanism
Mitigation and Prevention
To address CVE-2021-39541, consider the following measures:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates