There is a heap-based buffer over-read in the Sass::Prelexer::re_linebreak function in lexer.cpp in LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://bugzilla.redhat.com/show_bug.cgi?id=1474276 | issue tracking |