What is CVE-2018-19826?

CVE-2018-19826 is a medium-severity vulnerability in Sass-Lang Libsass, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-12-03.

How severe is CVE-2018-19826?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Sass-Lang Libsass

CVE-2018-19826

In inspect.cpp in LibSass 3.5.5, a high memory footprint caused by an endless loop (containing a Sass::Inspect::operator()(Sass::String_Quoted*) stack frame) may cause a Denial of Service via crafted sass input files with stray '&' or '/' characters. NOTE: Upstream comments indicate this issue is closed as "won't fix" and "works as intended" by design

EPSS: 0.012 (64.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Sass-lang Libsass — versions 3.5.5
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-19826?: CVE-2018-19826 is a medium-severity vulnerability in Sass-Lang Libsass, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-12-03.
How severe is CVE-2018-19826?: Medium severity. CVSS v3 base score is 6.5 out of 10.