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Vulnerability details: VCID-j4ue-gs9t-rfbt
Vulnerability ID VCID-j4ue-gs9t-rfbt
Aliases CVE-2018-7642
Summary The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.
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-2018-7642.json
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00178 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
epss 0.00273 https://api.first.org/data/v1/epss?cve=CVE-2018-7642
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-2018-7642
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-7642
Reference id Reference type URL
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2018:3032
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-7642.json
https://api.first.org/data/v1/epss?cve=CVE-2018-7642
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7642
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=22887
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=116acb2c268c89c89186673a7c92620d21825b25
1553115 https://bugzilla.redhat.com/show_bug.cgi?id=1553115
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:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
CVE-2018-7642 https://nvd.nist.gov/vuln/detail/CVE-2018-7642
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-2018-7642.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-2018-7642
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-2018-7642
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 0.39661
EPSS Score 0.00178
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:45.161346+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4336-2/ 37.0.0