Description
There is a heap-based buffer over-read in the Sass::Prelexer::re_linebreak function in lexer.cpp in LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
References (1)
Core 1
Core References
Issue Tracking x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1474276
Scores
CVSS v3
6.5
EPSS
0.0102
EPSS Percentile
77.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
libsass/libsass
3.4.5
Published
Jul 24, 2017
Tracked Since
Feb 18, 2026