CVE-2020-21676: debian debian_linux Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-21676DEBIAN-CVE-2020-21676
Published 10-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-21676 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.07%
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 3 · Related 1Timeline
- 10-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow in the genpstrx_text() component in genpstricks.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into pstricks format.
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
1.07%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.07% on 19-09-2026
19-09-202619-10-2026
EPSS score1.07%
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
Fig2dev_project1 product
- fig2dev3.2.7b
Ubuntu1 product
- fig2dev< 1:3.2.6a-6ubuntu1.1 | < 1:3.2.7a-7ubuntu0.1
3 vendors · 4 products
