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.
2009-03-02T20:30:00.217
2025-04-09T00:30:58.490
Deferred
CVSSv3.1: 7.8 (HIGH)
AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | optipng_project | optipng | ≤ 0.6.2 | Yes |
Operating System | opensuse | opensuse | ≤ 11.1 | Yes |
Operating System | suse | linux_enterprise | 9-11 | Yes |