From 548bcb7cbb479eaeea6645bc64c81fc205c8a75d Mon Sep 17 00:00:00 2001 From: Even Rouault Date: Sun, 28 Jun 2020 14:19:59 +0200 Subject: [PATCH] opj_decompress: fix double-free on input directory with mix of valid and invalid images (CVE-2020-15389) Fixes #1261 Credits to @Ruia-ruia for reporting and analysis. --- src/bin/jp2/opj_decompress.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/bin/jp2/opj_decompress.c b/src/bin/jp2/opj_decompress.c index 7eeb0952f..2634907f0 100644 --- a/src/bin/jp2/opj_decompress.c +++ b/src/bin/jp2/opj_decompress.c @@ -1316,10 +1316,6 @@ static opj_image_t* upsample_image_components(opj_image_t* original) int main(int argc, char **argv) { opj_decompress_parameters parameters; /* decompression parameters */ - opj_image_t* image = NULL; - opj_stream_t *l_stream = NULL; /* Stream */ - opj_codec_t* l_codec = NULL; /* Handle to a decompressor */ - opj_codestream_index_t* cstr_index = NULL; OPJ_INT32 num_images, imageno; img_fol_t img_fol; @@ -1393,6 +1389,10 @@ int main(int argc, char **argv) /*Decoding image one by one*/ for (imageno = 0; imageno < num_images ; imageno++) { + opj_image_t* image = NULL; + opj_stream_t *l_stream = NULL; /* Stream */ + opj_codec_t* l_codec = NULL; /* Handle to a decompressor */ + opj_codestream_index_t* cstr_index = NULL; if (!parameters.quiet) { fprintf(stderr, "\n");