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Out-of-bounds Read


Severity High
Score 7.5/10


There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 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).

  • LOW
  • NONE
  • NONE
  • NONE
  • NONE
  • HIGH

CWE-125 - Out-of-Bounds Read

Out-of-bounds read is a vulnerability that allows access to memory beyond the authorized accessible location. Such a vulnerability compromises the confidentiality of the trusted environment in the application and enables an attacker to launch further attacks by leveraging the exposed information.

Advisory Timeline

  • Published