CVE-2017-3635

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2.0%CVSS: 5.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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).

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation2% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
2.0%
EPSS %ILE
80th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 8, 2017

Last Modified

June 17, 2026

References (8)

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntumysql-server-5.5 (5.5.57-0ubuntu0.12.04.1) @ precise2026-05-22ubuntu
ubuntumysql-testsuite-5.5 (5.5.57-0ubuntu0.14.04.1) @ trusty2026-05-22ubuntu

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.

Affected Packages

(2 across 2 ecosystems)
Debian:7(1)
PackageVulnerable rangeFix by version rangeDependents
mysql-5.55.5.30+dfsg-1.1 ... 5.5.55-0+deb7u1 (28 versions)
  • every version up to 5.5.57-0+deb7u1: fixed in 5.5.57-0+deb7u1
—
Debian:8(1)
PackageVulnerable rangeFix by version rangeDependents
mysql-5.55.5.42-1 ... 5.5.55-0+deb8u1 (11 versions)
  • every version up to 5.5.57-0+deb8u1: fixed in 5.5.57-0+deb8u1
—

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 4× in last 7d / 19× 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.

Showing the most recent 100 of 155 total refreshes for this CVE.

  1. 2026-10-05 17:38 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
  3. 2026-09-30 14:59 UTCEPSS rescore
  4. 2026-09-30 09:33 UTCEG score recompute
  5. 2026-09-28 13:45 UTCEPSS rescore
  6. 2026-09-27 13:40 UTCEPSS rescore
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  8. 2026-09-26 15:53 UTCEPSS rescore
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  10. 2026-09-18 19:22 UTCEPSS rescore
  11. 2026-09-18 07:36 UTCOSV refresh
  12. 2026-09-17 19:22 UTCEPSS rescore
  13. 2026-09-15 03:05 UTCEPSS rescore
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  24. 2026-09-01 03:31 UTCEPSS rescore
  25. 2026-08-30 19:13 UTCEPSS rescore
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  1. 2026-08-30 08:30 UTCOSV refresh
  2. 2026-08-27 14:21 UTCEPSS rescore
  3. 2026-08-26 14:41 UTCEPSS rescore
  4. 2026-08-25 13:44 UTCEPSS rescore
  5. 2026-08-21 23:44 UTCEPSS rescore
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  7. 2026-08-19 16:59 UTCEPSS rescore
  8. 2026-08-18 13:43 UTCEPSS rescore
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  10. 2026-08-16 14:51 UTCEPSS rescore
  11. 2026-08-16 02:10 UTCEPSS rescore
  12. 2026-08-15 01:26 UTCEPSS rescore
  13. 2026-08-13 23:23 UTCOSV refresh
  14. 2026-08-12 13:46 UTCEPSS rescore
  15. 2026-08-09 13:42 UTCEPSS rescore
  16. 2026-08-07 16:22 UTCEPSS rescore
  17. 2026-08-06 13:42 UTCEPSS rescore
  18. 2026-08-05 19:12 UTCEPSS rescore
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  20. 2026-08-02 02:23 UTCEPSS rescore
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  22. 2026-07-30 16:24 UTCEPSS rescore
  23. 2026-07-30 01:26 UTCEPSS rescore
  24. 2026-07-29 02:51 UTCOSV refresh
  25. 2026-07-28 15:32 UTCEPSS rescore
  26. 2026-07-26 14:51 UTCEPSS rescore
  27. 2026-07-23 14:15 UTCEPSS rescore
  28. 2026-07-23 01:29 UTCEG score recompute
  29. 2026-07-22 22:09 UTCEG score recompute
  30. 2026-07-22 14:04 UTCEPSS rescore
  31. 2026-07-22 14:04 UTCEPSS rescore
  32. 2026-07-21 15:21 UTCEPSS rescore
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  34. 2026-07-20 17:04 UTCEPSS rescore
  35. 2026-07-19 14:28 UTCEPSS rescore
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  37. 2026-07-19 02:26 UTCEPSS rescore
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  40. 2026-07-16 16:59 UTCEPSS rescore
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  42. 2026-07-15 16:54 UTCEPSS rescore
  43. 2026-07-15 01:56 UTCEPSS rescore
  44. 2026-07-15 01:56 UTCEPSS rescore
  45. 2026-07-13 22:26 UTCEPSS rescore
  46. 2026-07-12 05:43 UTCEPSS rescore
  47. 2026-07-11 19:22 UTCOSV refresh
  48. 2026-07-11 08:24 UTCEPSS rescore
  49. 2026-07-09 19:06 UTCEPSS rescore
  50. 2026-07-08 15:10 UTCEPSS rescore
  51. 2026-07-07 13:42 UTCEPSS rescore
  52. 2026-07-06 16:24 UTCEPSS rescore
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  54. 2026-07-06 02:20 UTCEPSS rescore
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  63. 2026-06-28 04:53 UTCEPSS rescore
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  69. 2026-06-23 21:30 UTCEPSS rescore
  70. 2026-06-23 02:00 UTCOSV refresh
  71. 2026-06-22 14:23 UTCEPSS rescore
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  73. 2026-06-21 14:54 UTCEPSS rescore
  74. 2026-06-21 14:54 UTCEPSS rescore
  75. 2026-06-21 01:57 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2017-3635?
CVE-2017-3635 is a medium vulnerability published on August 8, 2017. 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.…
When was CVE-2017-3635 disclosed?
CVE-2017-3635 was first published on August 8, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-3635 actively exploited?
CVE-2017-3635 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.0% probability of exploitation in the next 30 days (80th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-3635?
CVE-2017-3635 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2017-3635?
A fix for CVE-2017-3635 is available: update to the fixed version the vendor names in its advisory.

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