Computer Security
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OptiPNG buffer overflow
SecurityVulns ID:9721
Threat Level:
Description:Buffer overflow on .GIF files processing.
Affected:OPTIPNG : OptiPNG 0.6
CVE:CVE-2009-0749 (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.)
Original documentdocumentGENTOO, [ GLSA 200903-12 ] OptiPNG: User-assisted execution of arbitrary code (09.03.2009)

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