Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Optipng Project | Optipng | <= 0.6.2 |
| Opensuse | Opensuse | >= 10.3, <= 11.1 |
| Suse | Linux Enterprise | 9-11 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.htmlMailing List
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlMailing List
- http://optipng.sourceforge.netProduct
- http://secunia.com/advisories/34035Broken LinkVendor Advisory
- http://secunia.com/advisories/34201Broken Link
- http://secunia.com/advisories/34259Broken Link
- http://secunia.com/advisories/35685Broken Link
- http://sourceforge.net/tracker/index.php?func=detail&aid=2582013&group_id=151404Issue Tracking
- http://www.gentoo.org/security/en/glsa/glsa-200903-12.xmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2009/02/24/2Mailing List
- http://www.openwall.com/lists/oss-security/2009/02/25/4Mailing List
- http://www.securityfocus.com/bid/33873Broken LinkPatchThird Party Advisory
- http://www.vupen.com/english/advisories/2009/0510Broken LinkPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48879Third Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.htmlMailing List
FAQ
What is CVE-2009-0749?
CVE-2009-0749 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 (applicatio...
How severe is CVE-2009-0749?
CVE-2009-0749 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-0749?
Check the references section above for vendor advisories and patch information. Affected products include: Optipng Project Optipng, Opensuse Opensuse, Suse Linux Enterprise.