PT-2026-3698 · Oracle+3 · Mysql 8.4+5

Ryan Brothers

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Publicado

2026-01-20

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Atualizado

2026-04-01

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CVE-2026-21948

CVSS v2.0

6.8

Média

VetorAV:N/AC:L/Au:S/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions Oracle MySQL versions 8.0.0 through 8.0.44 Oracle MySQL versions 8.4.0 through 8.4.7 Oracle MySQL versions 9.0.0 through 9.5.0
Description A flaw exists in the Optimizer component of the MySQL Server product. A highly privileged attacker with network access through multiple protocols can exploit this issue to cause a denial-of-service condition, leading to hangs or frequent crashes of the MySQL Server.
Recommendations Update Oracle MySQL to a version later than 8.0.44. Update Oracle MySQL to a version later than 8.4.7. Update Oracle MySQL to a version later than 9.5.0.

Correção

DoS

RCE

Resource Exhaustion

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Enumeração de Fraquezas

CWE-20CWE-400

Identificadores relacionados

ALSA-2026:4162
ALSA-2026:4828
ALSA-2026:5580
ALSA-2026:5640
ALSA-2026:6391
AZL-74940
AZL-75005
BDU:2026-00690
CVE-2026-21948
OESA-2026-1196
RHSA-2026:4162
RHSA-2026:4828
RHSA-2026:5580
RHSA-2026:5640
RHSA-2026:6391
USN-7994-1
USN-8006-1

Produtos afetados

Linuxmint
Mysql 8.0
Mysql 8.4
Mysql 9.0
Mysql Server
Ubuntu