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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2009-03-02T20:00:00

Updated: 2024-08-07T04:48:51.609Z

Reserved: 2009-03-02T00:00:00

Link: CVE-2009-0749

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2009-03-02T20:30:00.217

Modified: 2024-02-02T16:03:23.150

Link: CVE-2009-0749

cve-icon Redhat

No data.