CVE-2012-5612
Heap-based buffer overflow in Oracle MySQL 5.5.19 and other versions through 5.5.28, and MariaDB 5.5.28a and possibly other versions,…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Heap-based buffer overflow in Oracle MySQL 5.5.19 and other versions through 5.5.28, and MariaDB 5.5.28a and possibly other versions, allows remote authenticated users to cause a denial of service (memory corruption and crash) and possibly execute arbitrary code, as demonstrated using certain variations of the (1) USE, (2) SHOW TABLES, (3) DESCRIBE, (4) SHOW FIELDS FROM, (5) SHOW COLUMNS FROM, (6) SHOW INDEX FROM, (7) CREATE TABLE, (8) DROP TABLE, (9) ALTER TABLE, (10) DELETE FROM, (11) UPDATE, and (12) SET PASSWORD commands.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 23076 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By redhat
- 40 days later
· 40 days later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 21.0% · top 2.4% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (13)
- 23076 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 20121201 MySQL (Linux) Heap Based Overrun PoC Zeroday (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- USN-1703-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- MDVSA-2013:102 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 53372 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20121202 Re: Re: [Full-disclosure] MySQL (Linux) Stack based buffer overrun PoC Zeroday (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201308-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20121202 Re: Re: [Full-disclosure] MySQL (Linux) Stack based buffer overrun PoC Zeroday (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- SUSE-SU-2013:0262 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://mariadb.atlassian.net/browse/MDEV-3908 (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:16960 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- MDVSA-2013:150 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-5612)Record last updated .