RHSA-2021:3516: Important: EAP XP 2 security update to CVE fixes in the EAP 7.3.x base
These are CVE issues filed against XP2 releases that have been fixed in the underlying EAP 7.3.x base, so no changes to the EAP XP2 code base.Security Fix(es): undertow: buffer leak on incoming websocket PONG message may lead to DoS (CVE-2021-3690) undertow: HTTP2SourceChannel fails to write final frame under some circumstances may lead to DoS (CVE-2021-3597) jakarta-el: ELParserTokenManager enables invalid EL expressions to be evaluate (CVE-2021-28170) apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 (CVE-2021-29425) wildfly-core: Invalid Sensitivity Classification of Vault Expression (CVE-2021-3644) 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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2021:3516?
The severity of RHSA-2021:3516 is high due to potential denial of service vulnerabilities.
How do I fix RHSA-2021:3516?
To fix RHSA-2021:3516, update your EAP to the latest version as recommended in the advisory.
What vulnerabilities are addressed in RHSA-2021:3516?
RHSA-2021:3516 addresses buffer leak issues in the undertow component related to WebSocket PONG messages.
Who is affected by RHSA-2021:3516?
Users of EAP 7.3.x and XP2 releases are affected by the vulnerabilities outlined in RHSA-2021:3516.
Is there any workaround for RHSA-2021:3516?
There are no specific workarounds mentioned for RHSA-2021:3516; the recommended solution is to apply the relevant updates.