CVE-2006-4980: Python

High severity, CVSS 7.5. EPSS: 5.5% chance of exploitation in the next 30 days.

Buffer overflow in the repr function in Python 2.3 through 2.6 before 20060822 allows context-dependent attackers to cause a denial of service and possibly execute arbitrary code via crafted wide character UTF-32/UCS-4 strings to certain scripts.

Affected products

• Python Python: before 2.3.6 (fixed in 2.3.6); from 2.4.0, before 2.4.4 (fixed in 2.4.4)

Published 2006-10-10. Last modified 2026-06-16.