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Vulnerability details: VCID-tdvy-s2fk-s3c5
Vulnerability ID VCID-tdvy-s2fk-s3c5
Aliases CVE-2018-6759
Summary The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6759.json
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
epss 0.00285 https://api.first.org/data/v1/epss?cve=CVE-2018-6759
cvssv3 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-6759
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-6759
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6759.json
https://api.first.org/data/v1/epss?cve=CVE-2018-6759
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6759
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201811-17
https://sourceware.org/bugzilla/show_bug.cgi?id=22794
http://www.securityfocus.com/bid/103030
1543244 https://bugzilla.redhat.com/show_bug.cgi?id=1543244
cpe:2.3:a:gnu:binutils:2.30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:2.30:*:*:*:*:*:*:*
CVE-2018-6759 https://nvd.nist.gov/vuln/detail/CVE-2018-6759
USN-4336-2 https://usn.ubuntu.com/4336-2/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6759.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:N/AC:L/PR:N/UI:N/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-2018-6759
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-2018-6759
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 0.44501
EPSS Score 0.00219
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:37.144902+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.7/main.json 37.0.0