Debian Security Advisory

DLA-1838-1 mupdf -- LTS security update

Date Reported:

28 Jun 2019

Affected Packages:

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 887130, Bug 888487, Bug 918971.
In Mitre's CVE dictionary: CVE-2018-5686, CVE-2019-6130, CVE-2018-6192.

More information:

Several minor issues have been fixed in mupdf, a lightweight PDF viewer tailored for display of high quality anti-aliased graphics.

CVE-2018-5686
In MuPDF, there was an infinite loop vulnerability and application hang in the pdf_parse_array function (pdf/pdf-parse.c) because EOF not having been considered. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted PDF file.
CVE-2019-6130
MuPDF had a SEGV in the function fz_load_page of the fitz/document.c file, as demonstrated by mutool. This was related to page-number mishandling in cbz/mucbz.c, cbz/muimg.c, and svg/svg-doc.c.
CVE-2018-6192
In MuPDF, the pdf_read_new_xref function in pdf/pdf-xref.c allowed remote attackers to cause a denial of service (segmentation violation and application crash) via a crafted PDF file.

For Debian 8 Jessie, these problems have been fixed in version 1.5-1+deb8u6.

We recommend that you upgrade your mupdf packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS