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Vulnerability details: VCID-jgcn-zpaw-dqdb
Vulnerability ID VCID-jgcn-zpaw-dqdb
Aliases CVE-2018-18606
Summary An issue was discovered in the merge_strings function in merge.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31. There is a NULL pointer dereference in _bfd_add_merge_section when attempting to merge sections with large alignments. A specially crafted ELF allows remote attackers to cause a denial of service, as demonstrated by ld.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18606.json
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00526 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
epss 0.00558 https://api.first.org/data/v1/epss?cve=CVE-2018-18606
cvssv3 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-18606
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-18606
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18606.json
https://api.first.org/data/v1/epss?cve=CVE-2018-18606
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18606
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.netapp.com/advisory/ntap-20190307-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=23806
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=45a0eaf77022963d639d6d19871dbab7b79703fc
http://www.securityfocus.com/bid/105754
1647415 https://bugzilla.redhat.com/show_bug.cgi?id=1647415
cpe:2.3:a:gnu:binutils:2.31:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:2.31:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:*:*:*
CVE-2018-18606 https://nvd.nist.gov/vuln/detail/CVE-2018-18606
USN-4336-1 https://usn.ubuntu.com/4336-1/
USN-4336-2 https://usn.ubuntu.com/4336-2/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-18606.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18606
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-18606
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.6617
EPSS Score 0.00526
Published At Sept. 23, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:42.581667+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4336-1/ 37.0.0