What’s Vulnerable › Vulnerabilities

CVE-2021-39525

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-20 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in libredwg through v0.10.1.3751. bit_read_fixed() in bits.c has a heap-based buffer overflow.

Affected products

• GNU LibreDWG: through 0.10.1.3751

References

• https://github.com/LibreDWG/libredwg/issues/261
• https://github.com/LibreDWG/libredwg/issues/261

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