Vulnerability in Libsass

CVE-2017-11556

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.

EPSS: 0.012 (65.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Libsass — versions 3.4.5
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-11556?
CVE-2017-11556 is a high-severity vulnerability in Libsass, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2017-07-23.
How severe is CVE-2017-11556?
High severity. CVSS v3 base score is 7.5 out of 10.