CVE-2025-2153: 
NixOS vulnerability analysis and mitigation

A critical vulnerability (CVE-2025-2153) was discovered in HDF5 version 1.14.6. The vulnerability affects the function H5SM_delete in the file H5SM.c of the h5 File Handler component. The issue was discovered on March 10, 2025, and involves a heap-based buffer overflow that can be exploited remotely (NVD).

The vulnerability occurs in the H5SM_delete function at line 1542 of H5SM.c. The function fails to properly check buffer boundaries, resulting in a read operation beyond allocated memory, leading to a heap-based buffer overflow. The CVSS v3.1 base score is 8.1 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H (NVD, GitHub Issue).

The vulnerability allows remote attackers to potentially cause a denial of service through application crashes and may lead to arbitrary code execution. The issue affects the confidentiality, integrity, and availability of the system with high severity ratings for each aspect (NVD).

As of the latest reports, there is no official patch available for this vulnerability. Users are advised to monitor the HDF5 GitHub repository for security updates and implement general security controls to minimize exposure (NVD).