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CVE-2004-0836
Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause…
High10.0EPSS 9.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in the mysql_real_connect function in MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows remote DNS servers to cause a denial of service and possibly execute arbitrary code via a DNS response with a large address length (h_length).
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 9.8% · top 4.5% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (13)
- RHSA-2004:611 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 10981 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-562 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20041125 [USN-32-1] mysql vulnerabilities (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- mysql-realconnect-bo(17047) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 12305 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- CLA-2004:892 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
- RHSA-2004:597 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- P-018 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- GLSA-200410-22 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 2004-0054 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
- http://lists.mysql.com/internals/14726 (opens in a new tab)x_refsource_MISCx_transferred
- http://bugs.mysql.com/bug.php?id=4017 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .