Is CVE-2018-11499 in the CISA KEV catalog?

No. CVE-2018-11499 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-11499?

CVE-2018-11499 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-11499?

CVE-2018-11499 has an EPSS score of 4.01% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-11499?

Upgrade libsass on debian 11 to 3.5.5-3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-11499

CRITICALEPSS 89th pctl

9.8

CVSS v3

NVD

Description

A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x through 3.5.4 that could be leveraged to cause a denial of service (application crash) or possibly unspecified other impact.

CWE-416Use After Free

How to fix

Remediation Available

libsassDebian

Fixed in:3.5.5-3CVE-2018-11499

libsassUbuntu

Fixed in:3.4.8-1ubuntu0.1~esm1USN-4837-1

libsass0Ubuntu

Fixed in:3.4.8-1ubuntu0.1~esm1USN-4837-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

4.01%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Third-Party Advisory1

github.com

Other references3

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

Embed a live status badge for CVE-2018-11499

Markdown

[![CVE-2018-11499](https://tridentstack.com/cve/badge/CVE-2018-11499.svg)](https://tridentstack.com/cve/CVE-2018-11499)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-11499"><img src="https://tridentstack.com/cve/badge/CVE-2018-11499.svg" alt="CVE-2018-11499"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.