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Vulnerability details: VCID-7pzz-nhjw-67c9
Vulnerability ID VCID-7pzz-nhjw-67c9
Aliases CVE-2020-16307
Summary A null pointer dereference vulnerability in devices/vector/gdevtxtw.c and psi/zbfont.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted postscript file. This is fixed in v9.51.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-476 NULL Pointer Dereference
CWE-20 Improper Input Validation
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16307.json
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
epss 0.01336 https://api.first.org/data/v1/epss?cve=CVE-2020-16307
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-16307
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-16307
Reference id Reference type URL
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=407c98a38c3a6ac1681144ed45cc2f4fc374c91f
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16307.json
https://api.first.org/data/v1/epss?cve=CVE-2020-16307
https://bugs.ghostscript.com/show_bug.cgi?id=701822
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16287
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16288
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16289
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16290
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16291
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16292
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16293
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16294
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16295
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16296
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16297
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16298
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16299
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16300
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16301
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16302
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16303
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16304
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16305
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16306
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16307
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16308
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16309
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16310
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17538
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html
https://security.gentoo.org/glsa/202008-20
https://www.debian.org/security/2020/dsa-4748
1870162 https://bugzilla.redhat.com/show_bug.cgi?id=1870162
cpe:2.3:a:artifex:ghostscript:9.50:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:artifex:ghostscript:9.50:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
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:20.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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-2020-16307 https://nvd.nist.gov/vuln/detail/CVE-2020-16307
RHSA-2021:1852 https://access.redhat.com/errata/RHSA-2021:1852
USN-4469-1 https://usn.ubuntu.com/4469-1/
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-2020-16307.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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H 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-2020-16307
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16307
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 0.7915
EPSS Score 0.01336
Published At Aug. 8, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:17.618646+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4469-1/ 37.0.0