CVE-2017-11608

medium

Published 2017-07-24 · Modified 2026-05-13

CVSS v3

6.5

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2

4.3

VIR risk

6.5

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.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-11608

OS impact

OS	Version	Status	Fixed in
arch		fixed	`3.5.4-1`
debian	bookworm	fixed	`3.4.6-1`
debian	bullseye	fixed	`3.4.6-1`
debian	forky	fixed	`3.4.6-1`
debian	sid	fixed	`3.4.6-1`
debian	trixie	fixed	`3.4.6-1`

Application impact

Vendor	Product	Versions	Fixed
libsass	libsass	`3.4.5`

References

https://bugzilla.redhat.com/show_bug.cgi?id=1474276
https://security-tracker.debian.org/tracker/CVE-2017-11608

CWEs

CWE-125

Verify integrity in audit chain (admin only). AS-IS.