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Actually check the framesize in FliDecode.

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Eric Soroos 2021-08-08 15:01:19 +02:00
parent 99940765b2
commit 8f300af691
1 changed files with 2 additions and 1 deletions
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src/libImaging/FliDecode.c
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@ -46,7 +46,8 @@ ImagingFliDecode(Imaging im, ImagingCodecState state, UINT8 *buf, Py_ssize_t byt
ptr = buf; ptr = buf;
framesize = I32(ptr); framesize = I32(ptr);
if (framesize < I32(ptr)) { // there can be one pad byte in the framesize
if (bytes + (bytes % 2) < framesize) {
return 0; return 0;
} }