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.
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T04:48:51.609Z
Reserved: 2009-03-02T00:00:00
Link: CVE-2009-0749
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Status : Deferred
Published: 2009-03-02T20:30:00.217
Modified: 2025-04-09T00:30:58.490
Link: CVE-2009-0749
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