Arch Linux Security Advisory ASA-201711-28 ========================================== Severity: Medium Date : 2017-11-22 CVE-ID : CVE-2017-9216 Package : jbig2dec Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-517 Summary ======= The package jbig2dec before version 0.14-1 is vulnerable to denial of service. Resolution ========== Upgrade to 0.14-1. # pacman -Syu "jbig2dec>=0.14-1" The problem has been fixed upstream in version 0.14. Workaround ========== None. Description =========== 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. Impact ====== A remote attacker is able to crash the application by providing an invalid file. References ========== https://bugs.archlinux.org/task/56405 https://bugs.ghostscript.com/show_bug.cgi?id=697934 https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=3ebffb1d96ba0cace... https://security.archlinux.org/CVE-2017-9216