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Fix potential vulnerable cloned functions\nDecomp: Don't enable 2-pass color quant w/ RGB565

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npt-1707 2025-04-24 16:37:19 +08:00
parent f9620d668d
commit 88e8ba9fd8
2 changed files with 4 additions and 2 deletions
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3
modules/juce_graphics/image_formats/jpglib/jdmaster.c
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@ -319,7 +319,8 @@ master_selection (j_decompress_ptr cinfo)
if (cinfo->raw_data_out)
ERREXIT(cinfo, JERR_NOTIMPL);
/* 2-pass quantizer only works in 3-component color space. */
if (cinfo->out_color_components != 3) {
if (cinfo->out_color_components != 3 ||
cinfo->out_color_space == JCS_RGB565) {
cinfo->enable_1pass_quant = TRUE;
cinfo->enable_external_quant = FALSE;
cinfo->enable_2pass_quant = FALSE;

3
modules/juce_graphics/image_formats/jpglib/jquant2.c
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@ -1256,7 +1256,8 @@ jinit_2pass_quantizer (j_decompress_ptr cinfo)
cquantize->error_limiter = NULL;
/* Make sure jdmaster didn't give me a case I can't handle */
if (cinfo->out_color_components != 3)
if (cinfo->out_color_components != 3 ||
cinfo->out_color_space == JCS_RGB565)
ERREXIT(cinfo, JERR_NOTIMPL);
/* Allocate the histogram/inverse colormap storage */