mysql: MDL subsystem heap-based buffer overflow
Published Dec 3, 2012
6.5
MEDIUMCVSS 2.0
EPSS 20.84%
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.
Affected products
No data.
Configuration 1
Configuration 3
- 11
- 11
- 11
- 11
Configuration 4
- 10.04
- 11.10
- 12.04
- 12.10
No data.
Red Hat Enterprise Linux 5
mysql
Not affected
Red Hat Enterprise Linux 6
mysql
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | mysql | Not affected | n/a |
| Red Hat Enterprise Linux 6 | mysql | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 20.84% (0.20837) | 97.48th | v5 (v2026.06.15) |
| Jun 15, 2026 | 20.84% (0.20837) | 97.22th | v5 (v2026.06.15) |
| Dec 28, 2025 | 66.84% (0.66845) | 98.48th | v4 (v2025.03.14) |
| Dec 27, 2025 | 58.21% (0.58214) | 98.10th | v4 (v2025.03.14) |
| Nov 23, 2025 | 66.84% (0.66845) | 98.46th | v4 (v2025.03.14) |
| Nov 20, 2025 | 61.39% (0.61386) | 98.29th | v4 (v2025.03.14) |
| Nov 11, 2025 | 71.65% (0.71645) | 98.66th | v4 (v2025.03.14) |
| Oct 28, 2025 | 61.21% (0.61212) | 98.21th | v4 (v2025.03.14) |
| Oct 27, 2025 | 51.77% (0.51769) | 97.77th | v4 (v2025.03.14) |
| Oct 1, 2025 | 61.21% (0.61212) | 98.27th | v4 (v2025.03.14) |
| Jul 30, 2025 | 51.41% (0.51410) | 97.78th | v4 (v2025.03.14) |
| Jul 19, 2025 | 60.89% (0.60890) | 98.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 69.34% (0.69337) | 98.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 72.70% (0.72697) | 98.38th | v4 (v2025.03.14) |
| Mar 28, 2025 | 69.34% (0.69337) | 98.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 71.94% (0.71936) | 98.65th | v4 (v2025.03.14) |
| Dec 22, 2024 | 77.21% (0.77211) | 98.43th | v3 (v2023.03.01) |
| Dec 17, 2024 | 75.58% (0.75575) | 98.37th | v3 (v2023.03.01) |
| Dec 12, 2024 | 95.79% (0.95790) | 99.52th | v3 (v2023.03.01) |
| Oct 24, 2023 | 96.15% (0.96147) | 99.32th | v3 (v2023.03.01) |
| Jun 21, 2023 | 96.30% (0.96302) | 99.28th | v3 (v2023.03.01) |
| Apr 28, 2023 | 95.75% (0.95755) | 99.07th | v3 (v2023.03.01) |
| Mar 9, 2023 | 96.08% (0.96084) | 99.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.76% (0.96757) | 99.39th | v3 (v2023.03.01) |
| Mar 6, 2023 | 29.62% (0.29622) | 97.43th | v2 (v2022.01.01) |
| Feb 17, 2023 | 29.62% (0.29622) | 97.40th | v2 (v2022.01.01) |
| Nov 16, 2022 | 29.51% (0.29507) | 97.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 33.85% (0.33850) | 96.63th | v2 (v2022.01.01) |
References (17)
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://seclists.org/fulldisclosure/2012/Dec/5 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- http://secunia.com/advisories/53372 third-party-advisoryx_refsource_SECUNIANot Applicable
- http://security.gentoo.org/glsa/glsa-201308-06.xml vendor-advisoryx_refsource_GENTOOThird Party Advisory
- http://www.exploit-db.com/exploits/23076 exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:102 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.openwall.com/lists/oss-security/2012/12/02/3 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/12/02/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2013-1515902.html x_refsource_CONFIRMVendor Advisory
- http://www.ubuntu.com/usn/USN-1703-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-5612 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=882600 Issue Tracking
- https://mariadb.atlassian.net/browse/MDEV-3908 x_refsource_CONFIRMBroken LinkExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2012-5612
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16960 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2012-5612
Change history (0)
No recorded changes yet.