Is CVE-2018-16403 in the CISA KEV catalog?

No. CVE-2018-16403 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16403?

CVE-2018-16403 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-16403?

CVE-2018-16403 has an EPSS score of 1.22% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16403?

Upgrade elfutils on debian 11 to 0.175-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2018-16403

MEDIUM

5.5

CVSS v3

NVD

Description

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

elfutilsDebian

Fixed in:0.175-1CVE-2018-16403

elfutilsUbuntu

Fixed in:0.158-0ubuntu5.3+esm1USN-6322-1

Fixed in:0.165-3ubuntu1.2USN-4012-1

Fixed in:0.165-3ubuntu1.2+esm1USN-6322-1

Fixed in:0.170-0.4ubuntu0.1+esm1USN-6322-1

Fixed in:0.170-0.4ubuntu0.1USN-4012-1

Fixed in:0.176-1.1ubuntu0.1USN-6322-1

libasm1Ubuntu

Fixed in:0.158-0ubuntu5.3+esm1USN-6322-1

Fixed in:0.165-3ubuntu1.2USN-4012-1

Fixed in:0.165-3ubuntu1.2+esm1USN-6322-1

Fixed in:0.170-0.4ubuntu0.1USN-4012-1

Fixed in:0.170-0.4ubuntu0.1+esm1USN-6322-1

Fixed in:0.176-1.1ubuntu0.1USN-6322-1

libdw1Ubuntu

Fixed in:0.158-0ubuntu5.3+esm1USN-6322-1

Fixed in:0.165-3ubuntu1.2+esm1USN-6322-1

Fixed in:0.165-3ubuntu1.2USN-4012-1

Fixed in:0.170-0.4ubuntu0.1USN-4012-1

Fixed in:0.170-0.4ubuntu0.1+esm1USN-6322-1

Fixed in:0.176-1.1ubuntu0.1USN-6322-1

libelf1Ubuntu

Fixed in:0.158-0ubuntu5.3+esm1USN-6322-1

Fixed in:0.165-3ubuntu1.2USN-4012-1

Fixed in:0.165-3ubuntu1.2+esm1USN-6322-1

Fixed in:0.170-0.4ubuntu0.1+esm1USN-6322-1

Fixed in:0.170-0.4ubuntu0.1USN-4012-1

Fixed in:0.176-1.1ubuntu0.1USN-6322-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.22%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Exploit1

sourceware.org

Other references4

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

Embed a live status badge for CVE-2018-16403

Markdown

[![CVE-2018-16403](https://tridentstack.com/cve/badge/CVE-2018-16403.svg)](https://tridentstack.com/cve/CVE-2018-16403)

HTML

<a href="https://tridentstack.com/cve/CVE-2018-16403"><img src="https://tridentstack.com/cve/badge/CVE-2018-16403.svg" alt="CVE-2018-16403"></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.