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Sicherheit: Denial of Service in djvulibre
Aktuelle Meldungen Distributionen
Name: Denial of Service in djvulibre
ID: FEDORA-2019-7fac263417
Distribution: Fedora
Plattformen: Fedora 30
Datum: So, 1. Dezember 2019, 13:21
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18804
Applikationen: DjVuLibre

Originalnachricht

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Fedora Update Notification
FEDORA-2019-7fac263417
2019-12-01 01:03:32.741913
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Name : djvulibre
Product : Fedora 30
Version : 3.5.27
Release : 16.fc30
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.

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Update Information:

Security fix for CVE-2019-18804.
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ChangeLog:

* Fri Nov 22 2019 Marek Kasik <mkasik@redhat.com> - 3.5.27-16
- Fix a NULL pointer dereference in DJVU::filter_fv()
- Resolves: #1771267
* Thu Nov 7 2019 Marek Kasik <mkasik@redhat.com> - 3.5.27-15
- Fix a crash due to missing zero-bytes check
- Resolves: #1767921
* Thu Nov 7 2019 Marek Kasik <mkasik@redhat.com> - 3.5.27-14
- Fix a stack overflow
- Resolves: #1767868
* Wed Nov 6 2019 Marek Kasik <mkasik@redhat.com> - 3.5.27-13
- Break an infinite loop
- Resolves: #1767857
* Wed Nov 6 2019 Marek Kasik <mkasik@redhat.com> - 3.5.27-12
- Fix a buffer overflow
- Resolves: #1767842
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References:

[ 1 ] Bug #1771266 - CVE-2019-18804 djvulibre: null pointer dereference in
function DJVU::filter_fv in IW44EncodeCodec.cpp
https://bugzilla.redhat.com/show_bug.cgi?id=1771266
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-7fac263417' 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
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