There is a heap based buffer over-read in LibSass 3.4.5, related to address 0xb4803ea1. A crafted input will lead to a remote denial of service attack.
https://bugzilla.redhat.com/show_bug.cgi?id=1474019
http://www.securityfocus.com/bid/99930
Source: Mitre, NVD
Published: 2017-07-24
Updated: 2019-10-03
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H