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CVE-2017-12935 - log back

CVE-2017-12935 created at 25 Sep 2019 19:31:40
Severity	+ High
Remote	+ Remote
Type	+ Arbitrary code execution
Description	+ The ReadMNGImage function in coders/png.c in GraphicsMagick before 1.3.27 mishandles large MNG images, leading to an invalid memory read in the SetImageColorCallBack function in magick/image.c.
References	+ https://marc.info/?l=oss-security&m=150306448426399 + https://blogs.gentoo.org/ago/2017/08/05/graphicsmagick-invalid-memory-read-in-setimagecolorcallback-image-c/ + http://hg.code.sf.net/p/graphicsmagick/code/rev/cd699a44f188
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