The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocati
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
- Published
- Oct 19, 2021
- Updated
- Jun 17, 2026
- EPSS
- 5.9% · 93th percentile
- CWE
- CWE-400
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Report tools
Action score
32
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 5.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| netty | netty | cpe:2.3:a:netty:netty |
| quarkus | quarkus | cpe:2.3:a:quarkus:quarkus |
| oracle | banking apis | cpe:2.3:a:oracle:banking_apis |
| oracle | banking digital experience | cpe:2.3:a:oracle:banking_digital_experience |
| oracle | coherence | cpe:2.3:a:oracle:coherence |
| oracle | commerce guided search | cpe:2.3:a:oracle:commerce_guided_search |
| oracle | communications brm - elastic charging engine | cpe:2.3:a:oracle:communications_brm_-_elastic_charging_engine |
| oracle | communications cloud native core binding support function | cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function |
| oracle | communications cloud native core network slice selection function | cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function |
| oracle | communications cloud native core policy | cpe:2.3:a:oracle:communications_cloud_native_core_policy |
| oracle | communications cloud native core security edge protection proxy | cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy |
| oracle | communications cloud native core unified data repository | cpe:2.3:a:oracle:communications_cloud_native_core_unified_data_repository |
and 7 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- debian debian linux10.0
- debian debian linux11.0
- netapp oncommand insightall versions
- netty nettybefore 4.1.68
- oracle banking apis18.1 and later · up to 18.3 inclusive
- oracle banking apis19.1
- oracle banking apis19.2
- oracle banking apis20.1
- oracle banking apis21.1
- oracle banking digital experience18.1
- oracle banking digital experience18.2
- oracle banking digital experience18.3
- oracle banking digital experience19.1
- oracle banking digital experience19.2
- oracle banking digital experience20.1
- oracle banking digital experience21.1
- oracle coherence12.2.1.4.0
- oracle coherence14.1.1.0.0
- oracle commerce guided search11.3.2
- oracle communications brm - elastic charging enginebefore 12.0.0.4.6
Versions reported by the vendor
Affected version ranges reported by the assigning authority (JFROG). Independent of NVD's CPE analysis and usually ahead of it.
The Netty project Netty
- unspecified and later · before 4.1.68Finalaffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | netty | before 1:4.1.33-1+deb10u3 | 1:4.1.33-1+deb10u3 |
| Debian:11 | netty | before 1:4.1.48-4+deb11u1 | 1:4.1.48-4+deb11u1 |
| Debian:12 | netty | before 1:4.1.48-6 | 1:4.1.48-6 |
| Maven | io.netty:netty | all versions | — |
| Maven | io.netty:netty-codec | before 4.1.68.Final | 4.1.68.Final |
| Maven | org.jboss.netty:netty | all versions | — |
| openSUSE:Leap 15.3 | netty | before 4.1.75-150200.4.6.2 | 4.1.75-150200.4.6.2 |
| openSUSE:Tumbleweed | netty | before 4.1.114-1.1 | 4.1.114-1.1 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-glassfish-el | before 0:3.0.1-4.b08_redhat_00005.1.ep7.el7 | 0:3.0.1-4.b08_redhat_00005.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-glassfish-el-impl | before 0:3.0.1-4.b08_redhat_00005.1.ep7.el7 | 0:3.0.1-4.b08_redhat_00005.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate-core | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate-entitymanager | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate-envers | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate-infinispan | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-hibernate-java8 | before 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 | 0:5.1.17-3.Final_redhat_00004.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-jackson-databind | before 0:2.8.11.6-3.SP1_redhat_00003.1.ep7.el7 | 0:2.8.11.6-3.SP1_redhat_00003.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-jboss-ejb-client | before 0:4.0.12-1.Final_redhat_00002.1.ep7.el7 | 0:4.0.12-1.Final_redhat_00002.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-netty | before 0:4.1.63-2.Final_redhat_00003.1.ep7.el7 | 0:4.1.63-2.Final_redhat_00003.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-netty-all | before 0:4.1.63-2.Final_redhat_00003.1.ep7.el7 | 0:4.1.63-2.Final_redhat_00003.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-undertow | before 0:1.4.18-16.SP14_redhat_00001.1.ep7.el7 | 0:1.4.18-16.SP14_redhat_00001.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-wildfly | before 0:7.1.11-4.GA_redhat_00002.1.ep7.el7 | 0:7.1.11-4.GA_redhat_00002.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-wildfly-elytron | before 0:1.1.14-1.Final_redhat_00001.1.ep7.el7 | 0:1.1.14-1.Final_redhat_00001.1.ep7.el7 |
| Red Hat:jboss_enterprise_application_platform_eus:7.1::el7 | eap7-wildfly-http-client | before 0:1.0.21-1.Final_redhat_00001.1.ep7.el7 | 0:1.0.21-1.Final_redhat_00001.1.ep7.el7 |
+96
Same product
netty: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-47691Netty has Insufficient Bailiwick Validation for NS Records40Plan
- CVE-2026-45674Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records40Plan
- CVE-2019-20445HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Tr40Plan
- CVE-2026-42581Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization39Monitor
- CVE-2019-20444HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with39Monitor
- CVE-2026-75595Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext36Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:netty | 1:4.1.48-6 · Debian:12 | Package registry (OSV) |
| Maven:io.netty:netty-codec | 4.1.68.Final | Package registry (OSV) |
| opensuse:netty | 4.1.75-150200.4.6.2 · openSUSE:Leap 15.3 | Package registry (OSV) |
| red hat:eap7-jackson-databind | 0:2.12.6.1-1.redhat_00003.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-all | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-buffer | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-dns | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-haproxy | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-http | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-http2 | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-memcache | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-mqtt | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| red hat:eap7-netty-codec-redis | 0:4.1.72-4.Final_redhat_00001.1.el7eap · Red Hat:jboss_enterprise_application_platform:7.4::el7 | Package registry (OSV) |
| rocky linux:libdb | 0:5.3.28-42.el8_4 · Rocky Linux:8 | Package registry (OSV) |
| suse:netty | 4.1.44.Final-150300.4.3.2 · SUSE:Manager Server Module 4.2 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-400 · Uncontrolled Resource ConsumptionCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Root cause
Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.
The bug in code
The whole CWE-400 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
function expand(node) { return node.children.map(expand);}Fixed
const MAX_DEPTH = 32;function expand(node, depth = 0) { if (depth > MAX_DEPTH) throw new Error("too deep"); return node.children.map((c) => expand(c, depth + 1));}Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/netty/netty/security/advisories/GHSA-grg4-wf29-r9vv
- lists.apache.org/thread.html/r06a145c9bd41a7344da242cef07977b24abe3349161ede948e30913d%40%3Ccommits.druid.apache.org%3E
- lists.apache.org/thread.html/r5406eaf3b07577d233b9f07cfc8f26e28369e6bab5edfcab41f28abb%40%3Ccommits.druid.apache.org%3E
- lists.apache.org/thread.html/r5e05eba32476c580412f9fbdfc9b8782d5b40558018ac4ac07192a04%40%3Ccommits.druid.apache.org%3E
- lists.apache.org/thread.html/r75490c61c2cb7b6ae2c81238fd52ae13636c60435abcd732d41531a0%40%3Ccommits.druid.apache.org%3E
- lists.apache.org/thread.html/rd262f59b1586a108e320e5c966feeafbb1b8cdc96965debc7cc10b16%40%3Ccommits.druid.apache.org%3E
- lists.apache.org/thread.html/rfb2bf8597e53364ccab212fbcbb2a4e9f0a9e1429b1dc08023c6868e%40%3Cdev.tinkerpop.apache.org%3E
- lists.debian.org/debian-lts-announce/2023/01/msg00008.html
- security.netapp.com/advisory/ntap-20220210-0012/
- www.debian.org/security/2023/dsa-5316
- www.oracle.com/security-alerts/cpuapr2022.html
- www.oracle.com/security-alerts/cpujan2022.html
- www.oracle.com/security-alerts/cpujul2022.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.