CVE-2007-5197

CVE-2007-5197 is a high-severity vulnerability in Mono 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-119.

Key facts

Description

Buffer overflow in the Mono.Math.BigInteger class in Mono 1.2.5.1 and earlier allows context-dependent attackers to execute arbitrary code via unspecified vectors related to Reduce in Montgomery-based Pow methods.

Frequently asked questions

What is CVE-2007-5197?
Buffer overflow in the Mono.Math.BigInteger class in Mono 1.2.5.1 and earlier allows context-dependent attackers to execute arbitrary code via unspecified vectors related to Reduce in Montgomery-based Pow methods.
How severe is CVE-2007-5197?
CVE-2007-5197 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-5197 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5197?
CVE-2007-5197 primarily affects Mono. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-5197?
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-2007-5197 published?
CVE-2007-5197 was published on 2007-11-02 and last updated on 2026-06-16.

References

Affected products (12)

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