CVE-2021-40264 : Exploit Details and Defense Strategies
Learn about CVE-2021-40264, a NULL pointer dereference vulnerability in FreeImage before version 1.18.0. Find out the impact, technical details, affected systems, and mitigation steps.
This article provides an overview of CVE-2021-40264, detailing the vulnerability, its impact, technical description, affected systems, and mitigation steps.
Understanding CVE-2021-40264
CVE-2021-40264 is a NULL pointer dereference vulnerability found in FreeImage before version 1.18.0. This vulnerability occurs via the FreeImage_CloneTag function in FreeImageTag.cpp.
What is CVE-2021-40264?
- CVE-2021-40264 is a vulnerability in FreeImage before version 1.18.0.
The Impact of CVE-2021-40264
- Affects the security and stability of FreeImage.
Technical Details of CVE-2021-40264
CVE-2021-40264 involves the following technical aspects:
Vulnerability Description
- It is a NULL pointer dereference vulnerability.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions: All versions are affected.
Exploitation Mechanism
- Exploitation occurs through the FreeImage_CloneTag function in FreeImageTag.cpp.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-40264, consider the following steps:
Immediate Steps to Take
- Update FreeImage to version 1.18.0 or newer.
- Monitor security advisories for patches.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement code reviews and security testing.
Patching and Updates
- Install patches provided by FreeImage.