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Vulnerability details: VCID-k9zy-9yzt-e3gv
Vulnerability ID VCID-k9zy-9yzt-e3gv
Aliases CVE-2018-16749
Summary In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted file.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-617 Reachable Assertion
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16749.json
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
epss 0.00241 https://api.first.org/data/v1/epss?cve=CVE-2018-16749
cvssv3 2.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-16749
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-16749
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16749.json
https://api.first.org/data/v1/epss?cve=CVE-2018-16749
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16749
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4
https://github.com/ImageMagick/ImageMagick/issues/1119
https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html
1627916 https://bugzilla.redhat.com/show_bug.cgi?id=1627916
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
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: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-2018-16749 https://nvd.nist.gov/vuln/detail/CVE-2018-16749
RHSA-2020:1180 https://access.redhat.com/errata/RHSA-2020:1180
USN-3785-1 https://usn.ubuntu.com/3785-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-16749.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:L/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-2018-16749
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-16749
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 0.47418
EPSS Score 0.00241
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:15.903812+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0