What is CVE-2018-11696?

CVE-2018-11696 is a high-severity vulnerability in Sass-Lang Libsass, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2018-06-04.

How severe is CVE-2018-11696?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-11696 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Sass-Lang Libsass

CVE-2018-11696

An issue was discovered in LibSass through 3.5.4. A NULL pointer dereference was found in the function Sass::Inspect::operator which could be leveraged by an attacker to cause a denial of service (application crash) or possibly have unspecified other impact.

Published 2018-06-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Sass-Lang Libsass

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

github.com/sass/libsass/issues/2665 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-11696?: CVE-2018-11696 is a high-severity vulnerability in Sass-Lang Libsass, classified under NULL Pointer Dereference. CVSS score: 8.8/10. Published 2018-06-04.
How severe is CVE-2018-11696?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-11696 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.