CVE-2020-21469
postgresql: Stack buffer overflow when continuously send SIGHUP
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 22, 2023
Updated · November 21, 2025
Description
A flaw was found in PostgreSQL 12.2. This issue may allow an attacker to cause a denial of service via repeatedly sending SIGHUP signals.
Statement
This flaw is not actually considered a security vulnerability by upstream and is being disputed. Please check the external reference links for more info.
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 · 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')