Oracle Critical Database Patch ID for October 2021

An Essential/Critical Patch Update could be a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and third-party elements enclosed in Oracle merchandise. These patches are sometimes additive, however every informative describes only the protection patches intercalary since the previous essential Patch Update informative.

Below is the list of Oracle Critical Patch IDs for all versions (21c, 19c,12cR2, 12cR1) of Grid & Databases along with combo PSU patch IDs for October 2021. All patch IDs are enabled with the direct download link.

Version 21c (

PatchDatabase Release Patch TypeAvailable Date (ETA)
3325010121. (UNIX)Available
33239276 DATABASE (UNIX)Available
33266144Q FULL STACK (Oct2021)EXADATA (LINUX 64 BIT)25-OCT-2021
3323927621. CLIENT (UNIX)Available
21c: Oracle Critical Patches Oct, 21

Version 19c (

PatchDatabase Release Patch TypeAvailable Date (ETA)
3324847119. OJVM plus GRID (UNIX)02-NOV-2021
3318276819. (UNIX)02-NOV-2021
3324842019. OJVM plus DATABASE (UNIX)02-NOV-2021
3319279319. (UNIX)02-NOV-2021
3315533019. WINDOWS BP (32 & 64 BIT)02-NOV-2021
33248572Q FULL STACK (Oct.2021)EXADATA (UNIX)25-OCT-2021
3319269419. (All Platform)02-NOV-2021
3319279319. (UNIX)02-NOV-2021
3315533019. WINDOWS CLIENT(32 & 64 BIT)02-NOV-2021
19c: Oracle Critical Patches Oct, 21

Version 12cR2 (

PatchDatabase ReleasePatch TypeAvailable Date (ETA)
3324854612. OJVM plus GRID (UNIX)25-OCT-2021
3329075012. (UNIX)25-OCT-2021
3324852112. OJVM plus DATABASE (UNIX)25-OCT-2021
3326181712. (UNIX)25-OCT-2021
3317438012. WINDOWS BP (32 & 64 BIT) Available
33248531 Q FULL STACK (Oct.2021)EXADATA (UNIX)25-OCT-2021
3319266212. (UNIX) Available
3324885212. OJVM ( MS WINDOWS)Available
3326181712. (UNIX)25-OCT-2021
33174380 WINDOWS CLIENT(32 & 64 BIT) Available
12cR2: Oracle Critical Patches Oct, 21

Version 12cR1 (

PatchDatabase ReleasePatch TypeAvailable Date (ETA)
3324857112. OJVM plus GRID (UNIX)30-OCT-2021
3324836712. (UNIX)30-OCT-2021
33248571 OJVM plus DATABASE (UNIX)30-OCT-2021
33128590 (UNIX)30-OCT-2021
33174365 WINDOWS BP (32 & 64 BIT)Available
33248499Q FULL STACK (Oct.2021)EXADATA (UNIX)25-OCT-2021
3319262812. (UNIX)Available
3324878512. ( MS WINDOWS)Available
3312859012. (UNIX)30-OCT-2021
3317436512. WINDOWS CLIENT(32 & 64 BIT)Available
12cR1: Oracle Critical Patches Oct, 21

Click here to read about Step by Step Combo Patch Apply (October 2021 Patch 19c) in Oracle.



The next four dates for Critical Patch Updates are:


Click here to get patching-related articles.

Key points to remember:

**All patch IDs are enabled with the direct download link.
**To download patches you need valid credentials of Oracle support/Metalink.

**All patch IDs are provided by Oracle, visit DOC ID 2796575.1

**Most patches are revealed for platform Linux except Exadata and Supercluster, few platforms are to be revealed soon, refer to the above tables for ETA.

**21c does not have COMBO nor OJVM patches. Instead, the OJVM fixes are contained within the DB RU and the GU RU patches.

**Team DBsGuru is not chargeable for patch transfer/download to apply or any error occurs while patch applies, so transfer/download the proper patch for the desired version and platform.

** Oracle client home patch ID is the same patch ID as Oracle database server home-specific platform UNIX or WINDOWS i.e applicable on both.

**Always suggest reviewing patch readme, specific to patch ID before applying.

**Feel free to reach us for any help/suggestion required on the patch, drop your valuable concerns/suggestions within the comment/chat section.

This document is just for learning purpose and always validate in the LAB environment first before applying in the LIVE environment.

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