Is CVE-2016-4493 in the CISA KEV catalog?

No. CVE-2016-4493 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-4493?

CVE-2016-4493 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2016-4493?

CVE-2016-4493 has an EPSS score of 1.62% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-4493?

Upgrade binutils on debian 11 to 2.27.51.20161102-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2016-4493

MEDIUMEPSS 73th pctl

5.5

CVSS v3

NVD

Description

The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

binutilsDebian

Fixed in:2.27.51.20161102-1CVE-2016-4493

binutilsUbuntu

Fixed in:2.26.1-1ubuntu1~16.04.8+esm1USN-4336-2

binutils-multiarchUbuntu

Fixed in:2.26.1-1ubuntu1~16.04.8+esm1USN-4336-2

gdbUbuntu

Fixed in:7.7.1-0ubuntu5~14.04.3USN-3367-1

Fixed in:7.11.1-0ubuntu1~16.5USN-3367-1

libibertyUbuntu

Fixed in:20131116-1ubuntu0.2USN-3368-1

Fixed in:20160215-1ubuntu0.2USN-3368-1

libiberty-devUbuntu

Fixed in:20131116-1ubuntu0.2USN-3368-1

Fixed in:20160215-1ubuntu0.2USN-3368-1

valgrindUbuntu

Fixed in:1:3.10.1-1ubuntu3~14.5USN-3337-1

Fixed in:1:3.11.0-1ubuntu4.2USN-3337-1

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

1.62%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Patch2

Issue Tracking1

gcc.gnu.org

Other references1

securityfocus.com

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

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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 2026-05-13.