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Sicherheit: Ausführen beliebiger Kommandos in gifsicle
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in gifsicle
ID: FEDORA-2018-9892225623
Distribution: Fedora
Plattformen: Fedora 27
Datum: Mi, 30. Mai 2018, 17:07
Referenzen: https://bugzilla.redhat.com/show_bug.cgi?id=1114293
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18120
Applikationen: Gifsicle

Originalnachricht

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Fedora Update Notification
FEDORA-2018-9892225623
2018-05-30 14:31:21.818650
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Name : gifsicle
Product : Fedora 27
Version : 1.91
Release : 1.fc27
URL : http://www.lcdf.org/gifsicle/
Summary : Powerful program for manipulating GIF images and animations
Description :
Gifsicle is a command-line tool for creating, editing, and getting
information about GIF images and animations.

Some more gifsicle features:

* Batch mode for changing GIFs in place.
* Prints detailed information about GIFs, including comments.
* Control over interlacing, comments, looping, transparency...
* Creates well-behaved GIFs: removes redundant colors, only uses local
color tables if it absolutely has to (local color tables waste space
and can cause viewing artifacts), etc.
* It can shrink colormaps and change images to use the Web-safe palette
(or any colormap you choose).
* It can optimize your animations! This stores only the changed portion
of each frame, and can radically shrink your GIFs. You can also use
transparency to make them even smaller. Gifsicle?s optimizer is pretty
powerful, and usually reduces animations to within a couple bytes of
the best commercial optimizers.
* Unoptimizing animations, which makes them easier to edit.
* A dumb-ass name.

One other program is included with gifsicle
and gifdiff compares two GIFs for identical visual appearance.

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Update Information:

Update to 1.91 - fixes double-free in read_gif
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ChangeLog:

* Mon May 21 2018 Orion Poplawski <orion@cora.nwra.com> - 1.91-1
- Update to 1.91
* Wed Feb 7 2018 Fedora Release Engineering <releng@fedoraproject.org> -
1.90-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
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References:

[ 1 ] Bug #1542037 - CVE-2017-18120 gifsicle: Double-free in the read_gif
function [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1542037
[ 2 ] Bug #1114293 - gifsicle-1.91 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1114293
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-9892225623' 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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