Libsass: >> Libsass Security Vulnerabilities
There are memory leaks in LibSass 3.4.5 triggered by deeply nested code, such as code with a long sequence of open parenthesis characters, leading to a remote denial of service attack.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-08-18
There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).
CVSS Score
7.5
EPSS Score
0.004
Published
2017-08-18
There is a stack consumption issue in LibSass 3.4.5 that is triggered in the function Sass::Eval::operator() in eval.cpp. It will lead to a remote denial of service attack.
CVSS Score
7.5
EPSS Score
0.006
Published
2017-08-18
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.
CVSS Score
6.5
EPSS Score
0.01
Published
2017-07-24
There is a heap based buffer over-read in LibSass 3.4.5, related to address 0xb4803ea1. A crafted input will lead to a remote denial of service attack.
CVSS Score
6.5
EPSS Score
0.003
Published
2017-07-24
There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A crafted input will lead to a remote denial of service.
CVSS Score
7.5
EPSS Score
0.006
Published
2017-07-23
There is an illegal address access in the Eval::operator function in eval.cpp in LibSass 3.4.5. A crafted input will lead to a remote denial of service.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-07-23
There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-07-23
There is a heap based buffer over-read in lexer.hpp of LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-07-17
There is an illegal address access in ast.cpp of LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-07-17
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