CVE-2018-19826
libsass: Infinite loop in Sass::Inspect::operator() function resulting in a denial of service
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 3, 2018
Updated · November 22, 2025
Description
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
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')