CVE-2017-11554

HIGH

libsass 3.4.5 - Denial of Service via Stack Consumption in Lex Function

Title source: llm
STIX 2.1

Description

There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A crafted input will lead to a remote denial of service.

References (2)

Core 2
Core References
Third Party Advisory x_refsource_misc
https://github.com/sass/libsass/issues/2445
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1471780

Scores

CVSS v3 7.5
EPSS 0.0188
EPSS Percentile 76.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-674
Status published
Products (1)
libsass/libsass 3.4.5
Published Jul 23, 2017
Tracked Since Feb 18, 2026