Is CVE-2006-4980 in the CISA KEV catalog?

No. CVE-2006-4980 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2006-4980?

CVE-2006-4980 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2006-4980?

CVE-2006-4980 has an EPSS score of 5.06% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2006-4980?

Upgrade Python 2 to 2.3.6 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2006-4980

HIGHEPSS 91th pctl

7.5

CVSS v2

NVD

Description

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.

How to fix

Remediation Available

Python 2Windows application

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Python 3.10Windows application

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Python 3.11Windows application

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Python 3.12Windows application

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Python 3.8Windows application

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Python 3.9Windows application

Affected:2.4.0 2.4.4Fixed in:2.4.4Python Software Foundation

Affected:2.3.6Fixed in:2.3.6Python Software Foundation

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

5.06%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.