What’s Vulnerable › Vulnerabilities

CVE-2021-42586

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-23 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap buffer overflow was discovered in copy_bytes in decode_r2007.c in dwgread before 0.12.4 via a crafted dwg file.

Affected products

• GNU LibreDWG: before 0.12.4 — fixed in 0.12.4

How to fix

Upgrade to a fixed version: GNU LibreDWG 0.12.4. Check the vendor advisory for mitigations.

References

• https://github.com/LibreDWG/libredwg/issues/350
• https://github.com/LibreDWG/libredwg/issues/350

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