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Public proof of conceptFix available

CVE-2024-47535

A public proof of concept exists; no exploitation attested.

  • Published2024-11-12
  • Fixed in4.1.115
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attempts to load a file that does not exist. If an attacker creates such a large file, the Netty application crashes. This vulnerability is fixed in 4.1.115.

Timeline

dates in UTC
  1. 2024-11-1216:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-47535?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-47535?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP · OSV
Nettyversion to verify
BranchAffectedFixed in
4.1< 4.1.1154.1.115
netty-common
BranchAffectedFixed in
4.1< 4.1.115.Final4.1.115.Final

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • netty
    Affected
    • = < 4.1.115no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-11-12

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • apache-hiveCleanStartall versions · fixed in 3.1.3-r3
  • apicurio-registryWolfiall versions · fixed in 3.0.6-r1and 2 other packages
  • apicurio-registryChainguardall versions · fixed in 3.0.6-r1and 2 other packages
  • cassandra-reaper-fipsCleanStartall versions · fixed in 3.8.0-r3
  • cassandra-reaper-fipsCleanStartall versions · fixed in 3.6.1-r3
  • cassandra-reaper-fipsCleanStartall versions · fixed in 3.7.1-r4
  • cassandra-reaper-fipsCleanStartall versions · fixed in 3.8.0-r9
  • eap8-eap-product-conf-parentRed Hat:jboss_enterprise_application_platform:8.0::el8all versions · fixed in 0:800.6.1-1.GA_redhat_00001.1.el8eapand 1 other package

56 more package ranges on OSV.dev

Vendor advisories

  • CVE-2024-47535 Red Hat Product Security289 products fixed

    netty: Denial of Service attack on windows app using Netty

  • RHSA-2025:12511 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Streams for Apache Kafka 3.0.0 release and security update

  • RHSA-2025:9922 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Streams for Apache Kafka 2.9.1 release and security update

  • RHSA-2025:4549 Red Hat Product Security38 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.22 security update

  • RHSA-2025:4550 Red Hat Product Security38 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.22 security update

  • RHSA-2025:4548 Red Hat Product Security37 products fixed

    Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 7.4.22 security update

7 more advisories

Full record on NVD

Fix

  1. Update Netty to 4.1.115
  2. Vendor fix Red Hat Product Security RHSA-2025:12511 · 1 productBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2025:4549 · 38 productsBefore applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://acce…
  4. Vendor fix Red Hat Product Security RHSA-2025:3358 · 1 productBefore applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://acce…
  5. Workaround from the vendor Red Hat Product Security RHSA-2025:12511 · 1 productMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2024-11-13
  • OpenCVESSVC decisionpoc—
  • CNACVSS 3.15.5known since 2026-10-23
  • CNAweakness (CWE)CWE-400known since 2026-10-23
  • FIRST EPSSEPSS score0.4 %2026-11-03
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryMODERATE2024-11-12

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
2024-11-12
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-xq3w-v528-46rv

Frequently asked questions

What is CVE-2024-47535?

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. An unsafe reading of environment file could potentially cause a denial of service in Netty. When loaded on an Windows application, Netty attempts to load a file that does not exist. If an attacker creates such a large file, the Netty application crashes. This vulnerability is fixed in 4.1.115.

Is CVE-2024-47535 actively exploited?

A proof-of-concept exploit exists for CVE-2024-47535, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2024-47535?

CVE-2024-47535 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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