CVE-2017-3309

high

Published 2017-04-24 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.7

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.7

Description

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.54 and earlier, 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable" vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. While the vulnerability is in MySQL Server, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).

Predictions

Exploit likelihood

85%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status
sles		affected
rhel	7.0	affected
rhel	7.4	affected
rhel	7.5	affected
rhel	7.6	affected
rhel	7.7	affected
debian	8.0	affected

Application impact

Vendor	Product	Versions	Fixed
oracle	mysql	`{"startIncluding":"5.5.0","endIncluding":"5.5.54"}`
mariadb	mariadb	`{"startIncluding":"5.5.0","endExcluding":"5.5.55"}`	`5.5.55`
oracle	mysql	`{"startIncluding":"5.6.0","endIncluding":"5.6.35"}`
oracle	mysql	`{"startIncluding":"5.7.0","endIncluding":"5.7.17"}`
mariadb	mariadb	`{"startIncluding":"10.0.0","endExcluding":"10.0.31"}`	`10.0.31`
mariadb	mariadb	`{"startIncluding":"10.1.0","endExcluding":"10.1.23"}`	`10.1.23`
mariadb	mariadb	`{"startIncluding":"10.2.0","endExcluding":"10.2.6"}`	`10.2.6`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.