shithub: jbig2

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jbig2dec: Plug leak of image upon error decoding text region.

--- a/jbig2_symbol_dict.c

+++ b/jbig2_symbol_dict.c

@@ -514,7 +514,10 @@

                         code = jbig2_decode_text_region(ctx, segment, tparams, (const Jbig2SymbolDict * const *)refagg_dicts,

                                                  n_refagg_dicts, image, data, size, GR_stats, as, ws);

                         if (code < 0)

+                        {

+                            jbig2_image_release(ctx, image);

                             goto cleanup4;

+                        }

                         SDNEWSYMS->glyphs[NSYMSDECODED] = image;

                         refagg_dicts[0]->glyphs[params->SDNUMINSYMS + NSYMSDECODED] = jbig2_image_clone(ctx, SDNEWSYMS->glyphs[NSYMSDECODED]);