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Merge branch 'master' of github.com:libvips/libvips

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This commit is contained in:
John Cupitt 2022-06-14 12:08:20 +01:00
commit e0b5eeecde
1 changed files with 5 additions and 3 deletions
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6
libvips/foreign/cgifsave.c
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@ -693,9 +693,11 @@ vips_foreign_save_cgif_build( VipsObject *object )
frame_rect.width = cgif->in->Xsize; frame_rect.width = cgif->in->Xsize;
frame_rect.height = page_height; frame_rect.height = page_height;
/* GIF has a limit of 64k per axis -- double-check this. /* Reject images that exceed the pixel limit of libimagequant,
* or that exceed the GIF limit of 64k per axis.
*/ */
if( frame_rect.width > 65535 || if( (guint64) frame_rect.width * frame_rect.height > INT_MAX / 4 ||
frame_rect.width > 65535 ||
frame_rect.height > 65535 ) { frame_rect.height > 65535 ) {
vips_error( class->nickname, "%s", _( "frame too large" ) ); vips_error( class->nickname, "%s", _( "frame too large" ) );
return( -1 ); return( -1 );