CVE-2026-101755
mysql: mysql: Denial of Service via client programs
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2026
Updated · October 24, 2026
Description
A flaw was found in MySQL client programs. An authenticated attacker with network access and low privileges could exploit this vulnerability across multiple protocols. A successful attack allows the threat actor to cause an application hang or repeated crash, resulting in a complete Denial of Service (DoS) of the database service.
Statement
This vulnerability is evaluated with a Moderate impact because exploitation demands authenticated access under complex conditions and is strictly limited to availability disruption, with no loss of confidentiality or system integrity. Standard Red Hat Enterprise Linux installations are not affected as the vulnerable code is not present in supported package builds.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')