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Vulnerability details: VCID-uqpt-zwkp-hbe6
Vulnerability ID VCID-uqpt-zwkp-hbe6
Aliases CVE-2020-21890
Summary Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 7.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21890.json
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2020-21890
ssvc Track* https://bugs.ghostscript.com/show_bug.cgi?id=701846
ssvc Track* https://lists.debian.org/debian-lts-announce/2023/09/msg00029.html
cvssv3.1 7.8 https://nvd.nist.gov/vuln/detail/CVE-2020-21890
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21890.json
https://api.first.org/data/v1/epss?cve=CVE-2020-21890
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21890
2235002 https://bugzilla.redhat.com/show_bug.cgi?id=2235002
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:*:*:*:*:*:*:*
CVE-2020-21890 https://nvd.nist.gov/vuln/detail/CVE-2020-21890
msg00029.html https://lists.debian.org/debian-lts-announce/2023/09/msg00029.html
show_bug.cgi?id=701846 https://bugs.ghostscript.com/show_bug.cgi?id=701846
USN-6364-1 https://usn.ubuntu.com/6364-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21890.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: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2024-10-04T16:13:44Z/ Found at https://bugs.ghostscript.com/show_bug.cgi?id=701846
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2024-10-04T16:13:44Z/ Found at https://lists.debian.org/debian-lts-announce/2023/09/msg00029.html
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-21890
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 0.78307
EPSS Score 0.01228
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:41:22.769962+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6364-1/ 37.0.0