CVE-2009-0749
HIGH · CVSS 7.8EPSS 1.6%EU EUVD
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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-416
- EPSS score
- 1.6% (75th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-0749)
- Published
- March 2, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-0749 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- opensuse / opensuse
- optipng project / optipng
- suse / linux enterprise
References
- http://lists.opensuse.org/opensuse-security-announce/2009-03/msg00001.html(Mailing List)
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html(Mailing List)
- http://optipng.sourceforge.net(Product)
- http://secunia.com/advisories/34035(Broken Link, Vendor Advisory)
- http://secunia.com/advisories/34201(Broken Link)
- http://secunia.com/advisories/34259(Broken Link)
- http://secunia.com/advisories/35685(Broken Link)
- http://sourceforge.net/tracker/index.php?func=detail&aid=2582013&group_id=151404&atid=780913(Issue Tracking)
- http://www.gentoo.org/security/en/glsa/glsa-200903-12.xml(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2009/02/24/2(Mailing List)
- http://www.openwall.com/lists/oss-security/2009/02/25/4(Mailing List)
- http://www.securityfocus.com/bid/33873(Broken Link, Patch, Third Party Advisory, VDB Entry)
- http://www.vupen.com/english/advisories/2009/0510(Broken Link, Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48879(Third Party Advisory, VDB Entry)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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