Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/C). Supported versions that are affected are 6.1.10 and earlier. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Connectors. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. Note: The documentation has also been updated for the correct way to use mysql_stmt_close(). Please see: https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-execute.html, https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-fetch.html, https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-close.html, https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-error.html, https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-errno.html, and https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-sqlstate.html. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).
CVE-2017-3635
Score 5.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 78.7%
- KEV
- Not listed
Published
August 8, 2017
Last Modified
May 13, 2026
References (8)
- secalert_us@oraclehttp://www.debian.org/security/2017/dsa-3922
- secalert_us@oraclehttp://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- secalert_us@oraclehttp://www.securityfocus.com/bid/99730
- secalert_us@oraclehttp://www.securitytracker.com/id/1038928
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2017/dsa-3922
- af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99730
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038928
Patch Availability(2)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | mysql-server-5.5 (5.5.57-0ubuntu0.12.04.1) @ precise | 2026-05-22 | ubuntu |
| ubuntu | mysql-testsuite-5.5 (5.5.57-0ubuntu0.14.04.1) @ trusty | 2026-05-22 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 11× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-23 02:00 UTCOSV refresh
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- 2026-06-05 21:57 UTCOSV refresh
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- 2026-05-22 10:52 UTCEG score recompute
- 2026-05-22 10:52 UTCVendor advisory
- 2026-05-22 10:52 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
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- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
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