[Secure-testing-team] Bug#863279: jbig2dec: CVE-2017-9216: NULL pointer dereference in the jbig2_huffman_get function

[Salvatore Bonaccorso]

Source: jbig2dec
Version: 0.13-1
Severity: important
Tags: upstream security
Forwarded: https://bugs.ghostscript.com/show_bug.cgi?id=697934

Hi,

the following vulnerability was published for jbig2dec.

CVE-2017-9216[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-9216
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9216
[1] https://bugs.ghostscript.com/show_bug.cgi?id=697934

Regards,
Salvatore