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Vulnerability details: VCID-e8bh-th45-vfgg
Vulnerability ID VCID-e8bh-th45-vfgg
Aliases CVE-2020-21890
Summary ghostscript: Heap buffer overflow in clj_media_size function in devices/gdevclj.c
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
cvssv3 5.3 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
ssvc Track* https://bugs.ghostscript.com/show_bug.cgi?id=701846
ssvc Track* https://lists.debian.org/debian-lts-announce/2023/09/msg00029.html
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
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:L/I:L/A:L 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
Exploit Prediction Scoring System (EPSS)
Percentile 0.7909
EPSS Score 0.01228
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:53:00.705662+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-21890.json 38.0.0