CVE-2021-41561
Apache Parquet-MR potential DoS in case of malicious Parquet file
HIGH
7.5
CVSS Score
Published: December 20, 2021 at 11:20 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorParquet Java
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
Improper Input Validation vulnerability in Parquet-MR of Apache Parquet allows an attacker to DoS by malicious Parquet files. This issue affects Apache Parquet-MR version 1.9.0 and later versions.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Parquet Java· Apachemaven
95%Affected range stops below 1.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.12.2, so it looks safe — our inference, not a vendor statement
Affected range stops below Parquet-MR*, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/12/20/1x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread/1bjlscbqtfzl160hrm9lnpjpppp5z3zrCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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