AWS AmazonRDS: Added MariaDB 12.3 support to IAM DB Auth regional availability table

Service: AmazonRDS · 2026-08-12 · Documentation low

File: AmazonRDS/latest/UserGuide/Concepts.RDS_Fea_Regions_DB-eng.Feature.IamDatabaseAuthentication.md

Summary

Updated regional availability table to include RDS for MariaDB 12.3 for IAM database authentication across multiple regions.

Security assessment

The change adds a new column for MariaDB 12.3 support in the regional availability table but contains no evidence of addressing vulnerabilities or modifying security guidance.

Evidence

+Region | RDS for MariaDB 12.3 | RDS for MariaDB 11.8 | RDS for MariaDB 11.4 | RDS for MariaDB 10.11 | RDS for MariaDB 10.6 | RDS for MariaDB 10.5 | RDS for MariaDB 10.4

Diff

diff --git a/AmazonRDS/latest/UserGuide/Concepts.RDS_Fea_Regions_DB-eng.Feature.IamDatabaseAuthentication.md b/AmazonRDS/latest/UserGuide/Concepts.RDS_Fea_Regions_DB-eng.Feature.IamDatabaseAuthentication.md
index 03ecf07f3..3364e9dc0 100644
--- a//AmazonRDS/latest/UserGuide/Concepts.RDS_Fea_Regions_DB-eng.Feature.IamDatabaseAuthentication.md
+++ b//AmazonRDS/latest/UserGuide/Concepts.RDS_Fea_Regions_DB-eng.Feature.IamDatabaseAuthentication.md
@@ -39,40 +39,40 @@ The following Regions and engine versions are available for IAM database authent
-Region | RDS for MariaDB 11.8 | RDS for MariaDB 11.4 | RDS for MariaDB 10.11 | RDS for MariaDB 10.6 | RDS for MariaDB 10.5 | RDS for MariaDB 10.4  
----|---|---|---|---|---|---  
-US East (N. Virginia) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-US East (Ohio) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-US West (N. California) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-US West (Oregon) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Africa (Cape Town) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Hong Kong) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Hyderabad) | Not available | Not available | Not available | Not available | Not available | Not available  
-Asia Pacific (Jakarta) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Malaysia) | All available versions | All available versions | Not available | Not available | Not available | Not available  
-Asia Pacific (Melbourne) | Not available | Not available | Not available | Not available | Not available | Not available  
-Asia Pacific (Mumbai) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (New Zealand) | All available versions | All available versions | Not available | Not available | Not available | Not available  
-Asia Pacific (Osaka) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Seoul) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Singapore) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Sydney) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Asia Pacific (Taipei) | All available versions | All available versions | Not available | Not available | Not available | Not available  
-Asia Pacific (Thailand) | All available versions | All available versions | Not available | Not available | Not available | Not available  
-Asia Pacific (Tokyo) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Canada (Central) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Canada West (Calgary) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-China (Beijing) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-China (Ningxia) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Frankfurt) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Ireland) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (London) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Milan) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Paris) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Spain) | Not available | Not available | Not available | Not available | Not available | Not available  
-Europe (Stockholm) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Europe (Zurich) | Not available | Not available | Not available | Not available | Not available | Not available  
-Israel (Tel Aviv) | Not available | Not available | Not available | Not available | Not available | Not available  
-Mexico (Central) | All available versions | All available versions | Not available | Not available | Not available | Not available  
-Middle East (Bahrain) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-Middle East (UAE) | Not available | Not available | Not available | Not available | Not available | Not available  
-South America (São Paulo) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-AWS GovCloud (US-East) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
-AWS GovCloud (US-West) | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Region | RDS for MariaDB 12.3 | RDS for MariaDB 11.8 | RDS for MariaDB 11.4 | RDS for MariaDB 10.11 | RDS for MariaDB 10.6 | RDS for MariaDB 10.5 | RDS for MariaDB 10.4  
+---|---|---|---|---|---|---|---  
+US East (N. Virginia) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+US East (Ohio) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+US West (N. California) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+US West (Oregon) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Africa (Cape Town) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Hong Kong) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Hyderabad) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+Asia Pacific (Jakarta) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Malaysia) | All available versions | All available versions | All available versions | Not available | Not available | Not available | Not available  
+Asia Pacific (Melbourne) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+Asia Pacific (Mumbai) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (New Zealand) | All available versions | All available versions | All available versions | Not available | Not available | Not available | Not available  
+Asia Pacific (Osaka) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Seoul) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Singapore) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Sydney) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Asia Pacific (Taipei) | All available versions | All available versions | All available versions | Not available | Not available | Not available | Not available  
+Asia Pacific (Thailand) | All available versions | All available versions | All available versions | Not available | Not available | Not available | Not available  
+Asia Pacific (Tokyo) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Canada (Central) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Canada West (Calgary) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+China (Beijing) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+China (Ningxia) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Frankfurt) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Ireland) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (London) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Milan) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Paris) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Spain) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+Europe (Stockholm) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Europe (Zurich) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+Israel (Tel Aviv) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+Mexico (Central) | All available versions | All available versions | All available versions | Not available | Not available | Not available | Not available  
+Middle East (Bahrain) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+Middle East (UAE) | Not available | Not available | Not available | Not available | Not available | Not available | Not available  
+South America (São Paulo) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+AWS GovCloud (US-East) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available  
+AWS GovCloud (US-West) | All available versions | All available versions | All available versions | All available versions | Not available | Not available | Not available