Fedora 30: FEDORA-2019-7fac263417 Critical: Djvulibre Security Flaw

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-2019-18804.

* Fri Nov 22 2019 Marek Kasik - 3.5.27-16

- Fix a NULL pointer dereference in DJVU::filter_fv()

- Resolves: #1771267

* Thu Nov 7 2019 Marek Kasik - 3.5.27-15

- Fix a crash due to missing zero-bytes check

- Resolves: #1767921

* Thu Nov 7 2019 Marek Kasik - 3.5.27-14

- Fix a stack overflow

- Resolves: #1767868

* Wed Nov 6 2019 Marek Kasik - 3.5.27-13

- Break an infinite loop

- Resolves: #1767857

* Wed Nov 6 2019 Marek Kasik - 3.5.27-12

- Fix a buffer overflow

- Resolves: #1767842

[ 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

su -c 'dnf upgrade --advisory FEDORA-2019-7fac263417' at the command

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

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

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