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Fix potential un-terminated buffer problem (CWE-120)

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This commit is contained in:
Lumir Balhar 2018-09-11 15:58:31 +02:00
parent 3437d5fcb4
commit 2e288e74ab
2 changed files with 5 additions and 2 deletions
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4
src/libImaging/Histo.c
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@ -41,7 +41,9 @@ ImagingHistogramNew(Imaging im)
/* Create histogram descriptor */
h = calloc(1, sizeof(struct ImagingHistogramInstance));
strncpy(h->mode, im->mode, IMAGING_MODE_LENGTH);
strncpy(h->mode, im->mode, IMAGING_MODE_LENGTH-1);
h->mode[IMAGING_MODE_LENGTH-1] = 0;
h->bands = im->bands;
h->histogram = calloc(im->pixelsize, 256 * sizeof(long));

3
src/libImaging/Palette.c
View File

@ -37,7 +37,8 @@ ImagingPaletteNew(const char* mode)
if (!palette)
return (ImagingPalette) ImagingError_MemoryError();
strncpy(palette->mode, mode, IMAGING_MODE_LENGTH);
strncpy(palette->mode, mode, IMAGING_MODE_LENGTH-1);
palette->mode[IMAGING_MODE_LENGTH-1] = 0;
/* Initialize to ramp */
for (i = 0; i < 256; i++) {