Bug 1771309 (CVE-2019-15133) - CVE-2019-15133 giflib: divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c
Summary: CVE-2019-15133 giflib: divide-by-zero exception in the decoder function DGifS...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-15133
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1771311 1771312
Blocks: 1771310
TreeView+ depends on / blocked
 
Reported: 2019-11-12 07:16 UTC by Dhananjay Arunesh
Modified: 2020-01-17 14:09 UTC (History)
8 users (show)

Fixed In Version: giflib 5.1.8
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Last Closed: 2020-01-17 14:09:34 UTC
Embargoed:

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Description Dhananjay Arunesh 2019-11-12 07:16:02 UTC 
A vulnerability was found in GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13008
Comment 1 Dhananjay Arunesh 2019-11-12 07:16:53 UTC 
Created giflib tracking bugs for this issue:

Affects: fedora-all [bug 1771311]


Created mingw-giflib tracking bugs for this issue:

Affects: fedora-all [bug 1771312]
Comment 2 Stefan Cornelius 2020-01-17 09:59:23 UTC 
Patch:
https://sourceforge.net/p/giflib/code/ci/799eb6a3af8a3dd81e2429bf11a72a57e541f908/
Comment 3 Product Security DevOps Team 2020-01-17 14:09:34 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-15133
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