4.8

CVE-2026-9529: gnu libredwg Improper Resource Shutdown or Release

CVSS: 4.8v4.0MediumDeferred
Published 26-05-2026Last modified 26-05-2026
Open JSON

Vulnerability summary

CVE-2026-9529 is a medium (CVSS 4.8) Improper Resource Shutdown or Release vulnerability in gnu libredwg. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.16%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
OPENSUSE-SU-2026:11247-1OPENSUSE-SU-2026:21346-1

Timeline

  1. 26-05-2026
    PublishedVulnerability first disclosed.
  2. 26-05-2026
    Last modifiedVulnerability information updated.

Description

A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires a local approach. The exploit has been released to the public and may be used for attacks.

CVSS metrics

7 scores · 2 sources · 4 versions

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

+0.02 pp

From 0.14% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cve Repos

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Gnu1 product
  • libredwg0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 0.10 | 0.11 | 0.12 | 0.13 | 0.14

1 vendor · 1 product

References

6 links