CVE-2021-41561
Apache Parquet-MR potential DoS in case of malicious Parquet file
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-41561- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Apache Parquet-MR potential DoS in case of malicious Parquet file
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.
- Record
CVE-2021-41561- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2022-0600 No score
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.
- Record
EUVD-2022-0600- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gc67-crq6-hgh5
Improper Input Validation in Parquet-MR
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.
- Record
GHSA-gc67-crq6-hgh5- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-41561- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-gc67-crq6-hgh5
Improper Input Validation in Parquet-MR
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.
- Record
GHSA-gc67-crq6-hgh5- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.parquet:parquetMaven |
1.12.0 up to 1.12.2 | 1.12.2 |
org.apache.parquet:parquetMaven |
before 1.11.2 | 1.11.2 |
org.apache.parquet:parquetMaven |
1.12.0 up to 1.12.2, plus listed versions 1.12.1 |
1.12.2 |
org.apache.parquet:parquetMaven |
before 1.11.2, plus listed versions 1.10.01.10.11.11.01.11.11.7.0 Show 5 moreShow less1.8.01.8.11.8.21.8.31.9.0 |
1.11.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-41561 is a high vulnerability (CVSS 7.5) in Apache Software Foundation Parquet, published December 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.15%, the 88th percentile. Fixed in org.apache.parquet:parquet 1.12.2.