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CVE-2018-19931

25
FAUCET Score

CVE-2018-19931 describes a heap-based buffer overflow in the Binary File Descriptor (BFD) library (libbfd), part of GNU Binutils through version 2.31, due to unrestricted program header numbers. This vulnerability affects various distributions of Binutils, including those from Canonical, GNU, and NetApp. With a CVSS score of 7.8 (High), successful exploitation requires user interaction and local access, potentially leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.31CPE matchmatch criteria
cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*
>= 7.2CPE matchmatch criteria
cpe:2.3:a:netapp:vasa_provider:*:*:*:*:*:clustered_data_ontap:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.61%
Probability of exploitation in next 30 days
EPSS Percentile
73.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0161 is in the 72nd percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: binutils220
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: binutils

Vendor Advisories (1)

redhatCVE-2018-19931Low

binutils: Heap-based buffer overflow in bfd_elf32_swap_phdr_in function resulting in a denial of service

Nov 30, 2018

References

lists.opensuse.org / opensuse-security-announce/2019-10/msg00072.html
Broken Link
lists.opensuse.org / opensuse-security-announce/2019-11/msg00008.html
Broken Link
security.gentoo.org / glsa/201908-01
Third Party Advisory
security.netapp.com / advisory/ntap-20190221-0004
PatchThird Party Advisory
sourceware.org / bugzilla/show_bug.cgi
Issue TrackingPatchThird Party Advisory
sourceware.org / git/gitweb.cgi
usn.ubuntu.com / 4336-1
Third Party Advisory
securityfocus.com / bid/106144
Broken LinkThird Party AdvisoryVDB Entry