CVE-2008-2316

CVE-2008-2316 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. The underlying weakness is classified as CWE-189.

Key facts

Description

Integer overflow in _hashopenssl.c in the hashlib module in Python 2.5.2 and earlier might allow context-dependent attackers to defeat cryptographic digests, related to "partial hashlib hashing of data exceeding 4GB."

Frequently asked questions

What is CVE-2008-2316?
Integer overflow in _hashopenssl.c in the hashlib module in Python 2.5.2 and earlier might allow context-dependent attackers to defeat cryptographic digests, related to "partial hashlib hashing of data exceeding 4GB."
How severe is CVE-2008-2316?
CVE-2008-2316 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-2316 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2316?
CVE-2008-2316 affects Python. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2316?
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-2008-2316 published?
CVE-2008-2316 was published on 2008-08-01 and last updated on 2026-06-16.

References

Affected products (1)

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