CVE-2021-37136

netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data

Published Oct 19, 2021 CVSS 3.1 · 7.5 High EPSS 5.9% KEV · Not listed
Description
The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3268-1 netty security update
Debian DSA Debian DSA DSA-5316-1 netty security update
EUVD EUVD EUVD-2021-2064 The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression). All users of Bzip2Decoder are affected. The malicious input can trigger an OOME and so a DoS attack
Github GHSA Github GHSA GHSA-grg4-wf29-r9vv Bzip2Decoder doesn't allow setting size restrictions for decompressed data
Ubuntu USN Ubuntu USN USN-6049-1 Netty vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Redhat jboss Enterprise Application Platform Eus
CPEs cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7
cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.3::el7
Vendors & Products Redhat jboss Enterprise Application Platform Eus
Weaknesses

Sources

Status
PUBLISHED
Assigner
JFROG
Published
Updated
Oct 8, 2026, 9:13 PM
Reserved
Jul 20, 2021, 12:00 AM
Status
Modified
Published
Oct 19, 2021, 3:15 PM
Modified
Oct 8, 2026, 10:17 PM
Severity
Moderate
Public date
Sep 9, 2021, 12:00 AM