CVE-2017-12963

HIGH

Libsass - Out-of-Bounds Read

Title source: rule
STIX 2.1

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 0.0065
EPSS Percentile 71.1%
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