CVE-2009-0749
7.8 · HIGHOverview
CVE-2009-0749 is a high-severity vulnerability affecting optipng_project optipng. It was published on March 2, 2009 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
Remediation
Check the references section for vendor advisories and patches from optipng_project. Update optipng 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 |
|---|---|---|---|
| optipng_project | optipng | 0 | Affected |
| opensuse | opensuse | 10.3 | Affected |
References
Frequently Asked Questions
What is CVE-2009-0749?
CVE-2009-0749 is a high-severity vulnerability affecting optipng_project optipng. It was published on March 2, 2009 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2009-0749?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2009-0749?
Check the references section for vendor advisories and patches from optipng_project. Update optipng 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-2009-0749?
CyberStrike's AI-powered security agents can automatically detect CVE-2009-0749 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.
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