CVE-2017-5896: Buffer Overflow
First published: Wed Feb 15 2017(Updated: )
Heap-based buffer overflow in the fz_subsample_pixmap function in fitz/pixmap.c in MuPDF 1.10a allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted image.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Artifex Software MuPDF | <=1.10 |
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Reference Links
- http://git.ghostscript.com/?p=mupdf.git;h=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27
- http://www.debian.org/security/2017/dsa-3797
- http://www.openwall.com/lists/oss-security/2017/02/06/3
- http://www.openwall.com/lists/oss-security/2017/02/07/1
- http://www.securityfocus.com/bid/96139
- https://bugs.ghostscript.com/show_bug.cgi?id=697515
- https://security.gentoo.org/glsa/201702-12
Frequently Asked Questions
What is the severity of CVE-2017-5896?
CVE-2017-5896 is classified as a moderate severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2017-5896?
To fix CVE-2017-5896, update MuPDF to version 1.10b or later, which addresses the heap-based buffer overflow.
What types of systems are affected by CVE-2017-5896?
CVE-2017-5896 affects all versions of MuPDF up to 1.10, specifically targeting the handling of crafted images.
What impact does CVE-2017-5896 have on my applications using MuPDF?
Exploiting CVE-2017-5896 can lead to an out-of-bounds read, causing crashes and a denial of service in applications utilizing MuPDF.
Are there any known exploits for CVE-2017-5896?
Yes, CVE-2017-5896 can be exploited by attackers using crafted images to trigger the buffer overflow.
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- vendor/artifex
- canonical/artifex software mupdf
- version/artifex software mupdf/1.10