PT-2025-4236 · Oracle+1 · Mysql Server

Published 2025-01-21 · Updated 2026-02-18 · CVE-2025-21499

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions MySQL Server versions 8.4.3 and prior MySQL Server versions 9.1.0 and prior

Description The issue allows a high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks can result in unauthorized ability to cause a hang or frequently repeatable crash of MySQL Server.

Recommendations For versions 8.4.3 and prior, update to a version later than 8.4.3 to resolve the issue. For versions 9.1.0 and prior, update to a version later than 9.1.0 to resolve the issue. As a temporary workaround, consider restricting network access to MySQL Server to minimize the risk of exploitation.

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2025-01184

CVE-2025-21499

Affected Products

Mysql Server

References · 11

• https://ubuntu.com/security/CVE-2025-21499 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-01184 · Security Note
• https://oracle.com/security-alerts/cpujan2025.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-21499 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21499 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-21499 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21499 · Vendor Advisory
• https://security.netapp.com/advisory/ntap-20250124-0013 · Note
• https://twitter.com/dailycve/status/2023954493579129145 · Twitter Post
• https://twitter.com/CVEnew/status/1881933315604721734 · Twitter Post
• https://twitter.com/transilienceai/status/2023963660608061890 · Twitter Post