CVE-2021-20240
8.8 · HIGHOverview
CVE-2021-20240 is a high-severity vulnerability affecting gnome gdk-pixbuf. It was published on May 28, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A flaw was found in gdk-pixbuf in versions before 2.42.0. An integer wraparound leading to an out of bounds write can occur when a crafted GIF image is loaded. An attacker may cause applications to crash or could potentially execute code on the victim system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Remediation
Check the references section for vendor advisories and patches from gnome. Update gdk-pixbuf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| gnome | gdk-pixbuf | >= 0, < 2.39.2 | Affected |
References
Frequently Asked Questions
What is CVE-2021-20240?
CVE-2021-20240 is a high-severity vulnerability affecting gnome gdk-pixbuf. It was published on May 28, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2021-20240?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-20240?
Check the references section for vendor advisories and patches from gnome. Update gdk-pixbuf to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20240?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20240 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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