Vulnerability in Libsass

CVE-2017-12962

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.

EPSS: 0.012 (65.7th 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 (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-12962?
CVE-2017-12962 is a high-severity vulnerability in Libsass, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2017-08-18.
How severe is CVE-2017-12962?
High severity. CVSS v3 base score is 7.5 out of 10.