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Vulnerability details: VCID-9n9j-kk6t-jfdw
Vulnerability ID VCID-9n9j-kk6t-jfdw
Aliases CVE-2018-16842
Summary Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.
Status Published
Exploitability 0.5
Weighted Severity 8.2
Risk 4.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 3.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16842.json
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2018-16842
cvssv3.1 Low https://curl.se/docs/CVE-2018-16842.html
cvssv3 4.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.4 https://nvd.nist.gov/vuln/detail/CVE-2018-16842
cvssv3 9.1 https://nvd.nist.gov/vuln/detail/CVE-2018-16842
archlinux High https://security.archlinux.org/AVG-795
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2019:2181
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16842.json
https://api.first.org/data/v1/epss?cve=CVE-2018-16842
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16842
https://curl.haxx.se/docs/CVE-2018-16842.html
https://curl.se/docs/CVE-2018-16842.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16839
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16842
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/curl/curl/commit/d530e92f59ae9bb2d47066c3c460b25d2ffeb211
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
https://security.gentoo.org/glsa/201903-03
https://www.debian.org/security/2018/dsa-4331
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
http://www.securitytracker.com/id/1042014
1644124 https://bugzilla.redhat.com/show_bug.cgi?id=1644124
ASA-201811-4 https://security.archlinux.org/ASA-201811-4
AVG-795 https://security.archlinux.org/AVG-795
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
CVE-2018-16842 https://nvd.nist.gov/vuln/detail/CVE-2018-16842
USN-3805-1 https://usn.ubuntu.com/3805-1/
USN-3805-2 https://usn.ubuntu.com/3805-2/
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16842.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:L/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:L/Au:N/C:P/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-16842
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-16842
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 0.27888
EPSS Score 0.00097
Published At Aug. 16, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:44.044694+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.12/main.json 37.0.0