CVE-2009-0749: Use After Free
First published: Mon Mar 02 2009(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OptiPNG | <=0.6.2 | |
| OptiPNG | =0.0 | |
| OptiPNG | =0.1 | |
| OptiPNG | =0.2 | |
| OptiPNG | =0.3 | |
| OptiPNG | =0.3.1 | |
| OptiPNG | =0.3.2 | |
| OptiPNG | =0.4 | |
| OptiPNG | =0.4.1 | |
| OptiPNG | =0.4.2 | |
| OptiPNG | =0.4.3 | |
| OptiPNG | =0.4.4 | |
| OptiPNG | =0.4.5 | |
| OptiPNG | =0.4.6 | |
| OptiPNG | =0.4.7 | |
| OptiPNG | =0.4.8 | |
| OptiPNG | =0.5 | |
| OptiPNG | =0.5.1 | |
| OptiPNG | =0.5.2 | |
| OptiPNG | =0.5.3 | |
| OptiPNG | =0.5.4 | |
| OptiPNG | =0.5.5 | |
| OptiPNG | =0.6 | |
| OptiPNG | =0.6.1 | |
| OptiPNG | <=0.6.2 | |
| SUSE Linux | >=10.3<=11.1 | |
| SUSE Linux Enterprise Server | =9-11 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2009/02/24/2
- http://optipng.sourceforge.net
- http://sourceforge.net/tracker/index.php?func=detail&aid=2582013&group_id=151404&atid=780913
- http://www.securityfocus.com/bid/33873
- http://www.openwall.com/lists/oss-security/2009/02/25/4
- http://secunia.com/advisories/34035
- http://www.vupen.com/english/advisories/2009/0510
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html
- http://secunia.com/advisories/34259
- http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml
- http://secunia.com/advisories/34201
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://secunia.com/advisories/35685
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48879
Frequently Asked Questions
What is the severity of CVE-2009-0749?
CVE-2009-0749 has a severity rating that can lead to denial of service through application crashes.
How do I fix CVE-2009-0749?
To fix CVE-2009-0749, upgrade to OptiPNG version 0.6.3 or later.
What versions of OptiPNG are affected by CVE-2009-0749?
OptiPNG versions 0.6.2 and earlier are affected by CVE-2009-0749.
What type of vulnerability is CVE-2009-0749?
CVE-2009-0749 is categorized as a use-after-free vulnerability.
Can CVE-2009-0749 impact system security?
Yes, CVE-2009-0749 can impact system security by causing crashes that may lead to service interruptions.
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