How severe is CVE-2006-4980?

CVE-2006-4980 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-4980 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4980?

CVE-2006-4980 affects Python. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4980?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-4980 published?

CVE-2006-4980 was published on 2006-10-10 and last updated on 2026-06-16.

CVE-2006-4980

CVE-2006-4980 is a high-severity vulnerability in Python with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Python
Published: 2006-10-10
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2006-4980?: 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 severe is CVE-2006-4980?: CVE-2006-4980 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4980 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4980?: CVE-2006-4980 affects Python. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4980?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4980 published?: CVE-2006-4980 was published on 2006-10-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

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