CVE-2017-3599
mysql: integer underflow in get_56_lenc_string() leading to DoS (CPU Apr 2017)
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Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 19, 2017
Updated · June 28, 2026
Description
An integer overflow flaw leading to a buffer overflow was found in the way MySQL parsed connection handshake packets. An unauthenticated remote attacker with access to the MySQL port could use this flaw to crash the mysqld daemon.
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 3.0 · 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound