Low [CVE-2026-16241] Denial of Service via integer underflow
This low-severity Red Hat Linux advisory covers CVE-2026-16241 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
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Summary
Denial of Service via integer underflow. Red Hat rates this low (CVSS 3.8).
Weakness: CWE-191.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Self-service automation portal 2; and 2 more.
Affected products named by the advisory: Red Hat package: postgresql16; Red Hat package: postgresql18.
- < 18.5
- < 17.11
- < 16.15
- < 15.19
- < 14.24
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- To mitigate this vulnerability, ensure that database server administrator privileges are tightly controlled and only granted to highly trusted individuals. Because exploiting this flaw requires an attacker to already have administrative control over the database server to target connecting ECPG clients, adhering to the principle of least privilege and maintaining strict access controls on server administration effectively neutralizes the risk.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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