Fedora 29: FEDORA-2019-7ca378f076 Critical: DjVu Buffer Overflow

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.

Security fix for CVE-2019-15142, CVE-2019-15143, CVE-2019-15144 and

CVE-2019-15145.

* Thu Nov 7 2019 Marek Kasik - 3.5.27-14

- Fix a crash due to missing zero-bytes check

- Resolves: #1767921

* Thu Nov 7 2019 Marek Kasik - 3.5.27-13

- Fix a stack overflow

- Resolves: #1767868

* Wed Nov 6 2019 Marek Kasik - 3.5.27-12

- Break an infinite loop

- Resolves: #1767857

* Wed Nov 6 2019 Marek Kasik - 3.5.27-11

- Fix a buffer overflow

- Resolves: #1767842

[ 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

su -c 'dnf upgrade --advisory FEDORA-2019-7ca378f076' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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