CVE-2020-21532: debian debian_linux Classic Buffer Overflow
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-21532DEBIAN-CVE-2020-21532
Published 16-09-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-21532 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 11 · Related 9Timeline
- 16-09-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
fig2dev 3.2.7b contains a global buffer overflow in the setfigfont function in genepic.c.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.08%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.08% on 19-09-2026
19-09-202619-10-2026
EPSS score1.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceforge.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- fig2dev< 1:3.2.8-1
- debian_linuxEOL9.0 | 10.0
Ubuntu2 products
- fig2dev< 1:3.2.6a-6ubuntu1.1 | < 1:3.2.7a-7ubuntu0.1
- transfigAll versions (No fix recorded)
Xfig_project1 product
- fig2dev3.2.7:b
3 vendors · 5 products
