libjbig2dec.a in Artifex jbig2dec 0.13, as used in MuPDF and Ghostscript, has a NULL pointer dereference in the jbig2_huffman_get function in jbig2_huffman.c. For example, the jbig2dec utility will crash (segmentation fault) when parsing an invalid file.
| Software | From | Fixed in |
|---|---|---|
| artifex / jbig2dec | 0.13 | 0.13.x |
| debian / debian_linux | 9.0 | 9.0.x |