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Vulnerability details: VCID-t6n3-n1ht-n7hv
Vulnerability ID VCID-t6n3-n1ht-n7hv
Aliases CVE-2018-20623
Summary In GNU Binutils 2.31.1, there is a use-after-free in the error function in elfcomm.c when called from the process_archive function in readelf.c 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-416 Use After Free
System Score Found at
cvssv3.1 5.5 http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
ssvc Track http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
cvssv3.1 5.5 http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
ssvc Track http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20623.json
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00177 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
epss 0.00497 https://api.first.org/data/v1/epss?cve=CVE-2018-20623
cvssv3 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-20623
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20623
cvssv3.1 5.5 https://sourceware.org/bugzilla/show_bug.cgi?id=24049
ssvc Track https://sourceware.org/bugzilla/show_bug.cgi?id=24049
cvssv3.1 5.5 https://support.f5.com/csp/article/K38336243
ssvc Track https://support.f5.com/csp/article/K38336243
cvssv3.1 5.5 https://usn.ubuntu.com/4336-1/
ssvc Track https://usn.ubuntu.com/4336-1/
cvssv3.1 5.5 http://www.securityfocus.com/bid/106370
ssvc Track http://www.securityfocus.com/bid/106370
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20623.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20623
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20623
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
106370 http://www.securityfocus.com/bid/106370
1664700 https://bugzilla.redhat.com/show_bug.cgi?id=1664700
cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:binutils:2.31.1:*:*:*:*:*:*:*
CVE-2018-20623 https://nvd.nist.gov/vuln/detail/CVE-2018-20623
K38336243 https://support.f5.com/csp/article/K38336243
msg00008.html http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
msg00072.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
show_bug.cgi?id=24049 https://sourceware.org/bugzilla/show_bug.cgi?id=24049
USN-4336-1 https://usn.ubuntu.com/4336-1/
USN-4336-2 https://usn.ubuntu.com/4336-2/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00072.html
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00008.html
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20623.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:N/S:U/C:L/I:L/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-2018-20623
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-2018-20623
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://sourceware.org/bugzilla/show_bug.cgi?id=24049
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at https://sourceware.org/bugzilla/show_bug.cgi?id=24049
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.f5.com/csp/article/K38336243
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at https://support.f5.com/csp/article/K38336243
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://usn.ubuntu.com/4336-1/
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at https://usn.ubuntu.com/4336-1/
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://www.securityfocus.com/bid/106370
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: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-06T18:03:18Z/ Found at http://www.securityfocus.com/bid/106370
Exploit Prediction Scoring System (EPSS)
Percentile 0.3958
EPSS Score 0.00177
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:42.693321+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4336-1/ 37.0.0