Bug 1985351 (CVE-2020-19609) - CVE-2020-19609 mupdf: heap-based buffer overflow in tiff_expand_colormap() when parsing TIFF files
Summary: CVE-2020-19609 mupdf: heap-based buffer overflow in tiff_expand_colormap() wh...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-19609
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: 1985352
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-07-23 13:36 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-07-24 04:46 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2021-07-23 22:46:51 UTC

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Description Guilherme de Almeida Suckevicz 2021-07-23 13:36:57 UTC 
Artifex MuPDF before 1.18.0 has a heap based buffer over-write in tiff_expand_colormap() function when parsing TIFF files allowing attackers to cause a denial of service.

References:
https://bugs.ghostscript.com/show_bug.cgi?id=703076
https://bugs.ghostscript.com/show_bug.cgi?id=701176
http://git.ghostscript.com/?p=mupdf.git;h=b7892cdc7fae62aa57d63ae62144e1f11b5f9275
Comment 1 Guilherme de Almeida Suckevicz 2021-07-23 13:37:15 UTC 
Created mupdf tracking bugs for this issue:

Affects: fedora-all [bug 1985352]
Comment 2 Product Security DevOps Team 2021-07-23 22:46:51 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Comment 3 Product Security DevOps Team 2021-07-24 04:46:49 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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