9.8

CVE-2021-28237: gnu libredwg Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesopenSUSE-SU-2022:0155-1openSUSE-SU-2024:12083-1
Published 02-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-28237 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in gnu libredwg. EPSS estimates a 1.41% chance of exploitation in the next 30 days, higher than 72.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.41%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 02-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

LibreDWG v0.12.3 was discovered to contain a heap-buffer overflow via decode_preR13.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.41%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

+0.05 pp

From 1.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libredwg

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Opensuse2 products
  • libredwg&distro=openSUSE Leap 15.4< 0.12.5-bp154.2.3.1
  • libredwg&distro=openSUSE Tumbleweed< 0.12.5-2.1
Gnu1 product
Suse1 product
  • libredwg&distro=SUSE Package Hub 15 SP4< 0.12.5-bp154.2.3.1

3 vendors · 4 products

References

4 links