RHSA-2021:3959
Vulnerability from csaf_redhat - Published: 2021-11-10 16:40 - Updated: 2026-11-05 04:21A flaw was found in Netty's netty-codec due to size restrictions for decompressed data in the Bzip2Decoder. By sending a specially-crafted input, a remote attacker could cause a denial of service.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Vert.x 4.1.5
Red Hat / Red Hat OpenShift Application Runtimes
|
cpe:/a:redhat:openshift_application_runtimes:1.0
|
— |
Vendor Fix
fix
|
A flaw was found in the Netty's netty-codec due to unrestricted chunk lengths in the SnappyFrameDecoder. By sending a specially-crafted input, a remote attacker could cause excessive memory usage resulting in a denial of service.
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"text": "This release of Red Hat build of Eclipse Vert.x 4.1.5 includes security updates, bug fixes, and enhancements. For more information, see the release notes listed in the References section.\n\nSecurity Fix(es):\n\n* netty-codec: Bzip2Decoder doesn\u0027t allow setting size restrictions for decompressed data (CVE-2021-37136)\n* netty-codec: SnappyFrameDecoder doesn\u0027t restrict chunk length and may buffer skippable chunks in an unnecessary way (CVE-2021-37137)\n\nFor more details about the security issues and their impact, the CVSS score, acknowledgements, and other related information, see the CVE pages listed in the References section.",
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| Author | Source | Type | Date | Other |
|---|
Nomenclature
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