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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2017-5896
• https://bugs.ghostscript.com/show_bug.cgi?id=697515
• https://security.gentoo.org/glsa/201702-12
• 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