CVE-2021-27347: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

Affected products

• Debian Debian Linux: version 9.0 only
• Long Range Zip Project Long Range Zip: version 0.631 only

Published 2021-06-10. Last modified 2026-06-17.