# CVE-2020-27221: java-1.8.0-ibm: IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.  This upda...

CVE-2020-27221 is fixed in 8 products on 1 platform, first by RHSA-2021:0736, released March 4, 2021. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-27221
- Priority: Urgent
- CVSS: 9.8 (Critical)
- EPSS: 0.0155
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 4, 2021

## Description

IBM Java SE version 8 includes the IBM Java Runtime Environment and the IBM Java Software Development Kit.  This update upgrades IBM Java SE 8 to version 8 SR6-FP25.  Security Fix(es):  * IBM JDK: Stack-based buffer overflow when converting from UTF-8 characters to platform encoding (CVE-2020-27221)  * OpenJDK: Unexpected exceptions raised by DOMKeyInfoFactory and DOMXMLSignatureFactory (Security, 8231415) (CVE-2020-2773)  * OpenJDK: Credentials sent over unencrypted LDAP connection (JNDI, 8237990) (CVE-2020-14781)  * OpenJDK: Certificate blacklist bypass via alternate certificate encodings (Libraries, 8237995) (CVE-2020-14782)  * OpenJDK: Race condition in NIO Buffer boundary checks (Libraries, 8244136) (CVE-2020-14803)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | java-1.8.0-ibm RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-demo RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-devel RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-headless RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-jdbc RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-plugin RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-src RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |
| Linux | java-1.8.0-ibm-webstart RHEL 8 | 1:1.8.0.6.25-2.el8_3 | [RHSA-2021:0736](https://patchblox.com/security/data/fix/linux/rhsa-2021-0736.md) | Mar 4, 2021 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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