Oracle MySQL Shell up to 8.0.45/8.4.8/9.6.0 Core Client denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Oracle MySQL Shell up to 8.0.45/8.4.8/9.6.0. It has been classified as problematic. The affected element is an unknown function of the component Core Client. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2026-34319. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Oracle MySQL Shell up to 8.0.45/8.4.8/9.6.0 and classified as problematic. This issue affects an unknown code block of the component Core Client. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Vulnerability in the MySQL Shell product of Oracle MySQL (component: Shell: Core Client). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where MySQL Shell executes to compromise MySQL Shell. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Shell. CVSS 3.1 Base Score 5.0 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-34319 since 03/26/2026. The exploitation is known to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 310838 (Linux Distros Unpatched Vulnerability : CVE-2026-34319), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (310838) and CERT Bund (WID-SEC-2026-1199). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Oracle MySQL
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • Oracle Linux
  • RESF Rocky Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.0
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 310838
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-34319

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/26/2026 CVE reserved
04/22/2026 +26 days Advisory disclosed
04/22/2026 +0 days VulDB entry created
07/29/2026 +98 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2026-34319 (🔒)
GCVE (CVE): GCVE-0-2026-34319
GCVE (VulDB): GCVE-100-358727
CERT Bund: WID-SEC-2026-1199 - Oracle MySQL: Mehrere Schwachstellen

Entryinfo

Created: 04/22/2026 07:06
Updated: 07/29/2026 07:09
Changes: 04/22/2026 07:06 (64), 04/29/2026 19:49 (2), 07/29/2026 07:09 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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