CVE-2023-29416: BZIP3 Project BZIP3

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.

Affected products

• BZIP3 Project BZIP3: before 1.3.0 (fixed in 1.3.0)

Published 2023-04-06. Last modified 2026-06-17.