A djvulibre security update has been released for Fedora 31 to fix four security issues
--------------------------------------------------------------------------------
Fedora Update Notification
FEDORA-2019-67ff247aea
2019-11-17 01:29:40.270885
--------------------------------------------------------------------------------
Name : djvulibre
Product : Fedora 31
Version : 3.5.27
Release : 16.fc31
URL : http://djvu.sourceforge.net/
Summary : DjVu viewers, encoders, and utilities
Description :
DjVu is a web-centric format and software platform for distributing documents
and images. DjVu can advantageously replace PDF, PS, TIFF, JPEG, and GIF for
distributing scanned documents, digital documents, or high-resolution pictures.
DjVu content downloads faster, displays and renders faster, looks nicer on a
screen, and consume less client resources than competing formats. DjVu images
display instantly and can be smoothly zoomed and panned with no lengthy
re-rendering.
DjVuLibre is a free (GPL'ed) implementation of DjVu, including viewers,
decoders, simple encoders, and utilities. The browser plugin is in its own
separate sub-package.
--------------------------------------------------------------------------------
Update Information:
Security fix for CVE-2019-15142, CVE-2019-15143, CVE-2019-15144 and
CVE-2019-15145.
--------------------------------------------------------------------------------
ChangeLog:
* Thu Nov 7 2019 Marek Kasik - 3.5.27-16
- Fix a crash due to missing zero-bytes check
- Resolves: #1767921
* Thu Nov 7 2019 Marek Kasik - 3.5.27-15
- Fix a stack overflow
- Resolves: #1767868
* Wed Nov 6 2019 Marek Kasik - 3.5.27-14
- Break an infinite loop
- Resolves: #1767857
* Wed Nov 6 2019 Marek Kasik - 3.5.27-13
- Fix a buffer overflow
- Resolves: #1767842
--------------------------------------------------------------------------------
References:
[ 1 ] Bug #1767920 - CVE-2019-15145 djvulibre: out-of-bounds read in JB2Dict::JB2Codec::get_direct_context in libdjvu/JB2Image.h
https://bugzilla.redhat.com/show_bug.cgi?id=1767920
[ 2 ] Bug #1767867 - CVE-2019-15144 djvulibre: recursive call to GArrayTemplate::sort in GContainer.h leads to stack overflow
https://bugzilla.redhat.com/show_bug.cgi?id=1767867
[ 3 ] Bug #1767855 - CVE-2019-15143 djvulibre: infinite loop in GBitmap::read_rle_raw related to libdjvu/DjVmDir.cpp and libdjvu/GBitmap.cpp
https://bugzilla.redhat.com/show_bug.cgi?id=1767855
[ 4 ] Bug #1767841 - CVE-2019-15142 djvulibre: heap-based buffer overflow in GStringRep::strdup in libdjvu/GString.cpp
https://bugzilla.redhat.com/show_bug.cgi?id=1767841
--------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-67ff247aea' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
