Merge pull request #1227 from m-holger/fuzz6

Refine #1225

Merge pull request #1227 from m-holger/fuzz6
Refine #1225
m-holger · GitHub
2 parents 09492eea 18c52640
Showing 1 changed file with 3 additions and 0 deletions
libqpdf/Pl_DCT.cc
@@ -318,6 +318,9 @@ Pl_DCT::decompress(void* cinfo_p, Buffer* b)
     // jpeg_start_decompress is called. During normal use of qpdf very large JPEGs can occasionally
     // occur legitimately and therefore must be allowed during normal operations.
     cinfo->mem->max_memory_to_use = 1'000'000'000;
+    // For some corrupt files the memory used internally by libjpeg stays within the above limits
+    // even though the size written to the next pipeline is significantly larger.
+    m->corrupt_data_limit = 100'000'000;
 #endif
     jpeg_buffer_src(cinfo, b);