Is CVE-2017-15939 in the CISA KEV catalog?

No. CVE-2017-15939 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-15939?

CVE-2017-15939 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2017-15939?

CVE-2017-15939 has an EPSS score of 1.71% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-15939?

Upgrade binutils on ubuntu 16.04 to 2.26.1-1ubuntu1~16.04.8+esm1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-15939

MEDIUMEPSS 75th pctl

5.5

CVSS v3

NVD

Description

dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles NULL files in a .debug_line file table, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename. NOTE: this issue is caused by an incomplete fix for CVE-2017-15023.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

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

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

1.71%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch2

Other references3

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	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.