CVE-2021-37136

mediumpriority · track · 32EPSS 0.059 · 93 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

5.91% (93rd) EPSS

CVSS 5 · medium

Is it mine?

87 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

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

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USprimaryCWE-400USCWE-400US

affected products (87)

Products and version ranges known to be affected.

Dell ECS <3.8.1.0all versionscert_bundDE
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
IBM InfoSphere Information Serverall versionscert_bundDEcpe:/a:ibm:infosphere_information_server:-
Dell ECS< 3.8.1.0cert_bundDE
The Netty project nettyunspecified → 4.1.68Finalenisa_euvdEU
Apache Software Foundation Cassandra≤ 4.1.3fstec_bduRU
Apache Software Foundation netty≤ 4.1.68fstec_bduRU
NetApp Inc. Active IQ Unified Manager for Linuxall versionsfstec_bduRU
NetApp Inc. Active IQ Unified Manager for Microsoft Windowsall versionsfstec_bduRU
NetApp Inc. Cloud Insights Storage Workload Security Agentall versionsfstec_bduRU
NetApp Inc. Oncommand Insightall versionsfstec_bduRU
NetApp Inc. SnapCenterall versionsfstec_bduRU
Oracle Corp. Commerce Guided Search≤ 11.3.2fstec_bduRU
Oracle Corp. Communications BRM - Elastic Charging Engine≤ 12.0.0.5.1fstec_bduRU
Oracle Corp. Communications BRM - Elastic Charging Engine≤ 12.0.0.4.6fstec_bduRU
Oracle Corp. Communications Cloud Native Core Binding Support Function≤ 1.11.0fstec_bduRU
Oracle Corp. Communications Cloud Native Core Binding Support Function≤ 1.10.0fstec_bduRU
Oracle Corp. Communications Diameter Signaling Router8.0.0.0 → 8.5.0.2fstec_bduRU
Oracle Corp. Helidon≤ 1.4.10fstec_bduRU
Oracle Corp. Helidon≤ 2.4.0fstec_bduRU

showing 20 of 87

advisories (6)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0097Red Hat OpenShift: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2021-11-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat OpenShift ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2023-0809IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2023-03-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen, Informationen falsch darzustellen, einen Denial of Service Zustand herbeizuführen, Sicherheitsvorkehrungen zu umgehen, einen Cross-Site-Scripting-Angriff durchzuführen oder unbekannte Auswirkungen zu verursachen.
WID-SEC-W-2023-2674Oracle Fusion Middleware: Mehrere SchwachstellenDeutsch2023-10-17csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Fusion Middleware ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
WID-SEC-W-2025-1459Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2025-07-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, und um weitere nicht näher spezifizierte Angriffe durchzuführen.
GHSA-grg4-wf29-r9vvBzip2Decoder doesn't allow setting size restrictions for decompressed data2021-09-09ghsa · osvUS
### Impact 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 ### Workarounds No workarounds other than not using the `Bzip2Decoder` ### References Relevant code areas: https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L80 https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L294 https://github.com/netty/netty/blob/netty-4.1.67.Final/codec/src/main/java/io/netty/handler/codec/compression/Bzip2Decoder.java#L305

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2021-10-19modified 2026-06-17

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+9598 more

references (72)

External citations — patches, advisories, analysis.

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