CVE-2017-12963

HIGH

LibSass 3.4.5 - Denial of Service via Illegal Address Access in Sass::Eval::operator()

Title source: llm

Description

There is an illegal address access in Sass::Eval::operator() in eval.cpp of LibSass 3.4.5, leading to a remote denial of service attack. NOTE: this is similar to CVE-2017-11555 but remains exploitable after the vendor's CVE-2017-11555 fix (available from GitHub after 2017-07-24).

References (1)

Core 1

Core References

Issue Tracking, Third Party Advisory x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=1482335

Scores

CVSS v3 7.5

EPSS 0.0123

EPSS Percentile 65.2%

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-125

Status published

Products (1)

libsass/libsass 3.4.5

Published Aug 18, 2017

Tracked Since Feb 18, 2026