CVE-2021-37501 - Vulnerability Details - OpenCVE

Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Hdfgroup	Hdf5
Redhat	Enterprise Linux Ai

Configuration 1 [-]

cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*

Package	CPE	Advisory	Released Date
Red Hat Enterprise Linux AI 1.5 for RHEL 9.4
hdf5-0:1.14.6-3.1.el9ai	cpe:/a:redhat:enterprise_linux_ai:1.5::el9	RHSA-2025:3801	2025-04-10T00:00:00Z
libaec-0:1.1.3-1.el9ai	cpe:/a:redhat:enterprise_linux_ai:1.5::el9	RHSA-2025:3801	2025-04-10T00:00:00Z

References

Link	Providers
https://github.com/HDFGroup/hdf5
https://github.com/HDFGroup/hdf5/issues/2458
https://github.com/ST4RF4LL/Something_Found/blob/main/HDF5_v1.13.0_h5dump_heap_overflow.md
https://github.com/advisories/GHSA-rfgw-5vq3-wrjf
https://nvd.nist.gov/vuln/detail/CVE-2021-37501
https://www.cve.org/CVERecord?id=CVE-2021-37501

History

Fri, 11 Apr 2025 02:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Redhat Redhat enterprise Linux Ai
CPEs		cpe:/a:redhat:enterprise_linux_ai:1.5::el9
Vendors & Products		Redhat Redhat enterprise Linux Ai

Wed, 26 Mar 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-02-03T00:00:00.000Z

Updated: 2025-03-26T18:38:24.710Z

Reserved: 2021-07-26T00:00:00.000Z

Link: CVE-2021-37501

Vulnrichment

Updated: 2024-08-04T01:22:59.349Z

NVD

Status : Modified

Published: 2023-02-03T18:15:13.670

Modified: 2025-03-26T19:15:16.750

Link: CVE-2021-37501

Redhat

Severity : Moderate

Publid Date: 2023-04-27T00:00:00Z

Links: CVE-2021-37501 - Bugzilla

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