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hdf5

A vulnerability was found in HDF5 up to 1.14.6. It has been rated as critical. Affected by this issue is the function H5FL__blk_gc_list of the file src/H5FL.c. The manipulation of the argument H5FL_blk_head_t leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

CVE-2025-2913 is a use-after-free vulnerability identified in the HDF5 library, specifically affecting versions 1.14.0 through 1.14.6. The flaw resides in the function H5FL__blk_gc_list within the source file src/H5FL.c. The vulnerability arises due to improper handling and manipulation of the argument H5FL_blk_head_t, which leads to a use-after-free condition. This type of vulnerability occurs when a program continues to use a pointer after the memory it points to has been freed, potentially allowing an attacker to execute arbitrary code, cause a denial of service, or corrupt data. The vulnerability requires local access with low privileges (PR:L) and does not require user interaction (UI:N). The attack complexity is low (AC:L), and no authentication is required (AT:N). The CVSS 4.0 base score is 4.8, categorizing it as medium severity. The vulnerability does not affect confidentiality, integrity, or availability directly (VC:N, VI:N, VA:L), but it does have a limited impact on availability. Exploitation requires local access, and no known exploits are currently in the wild. The vulnerability has been publicly disclosed, which increases the risk of exploitation in the future. HDF5 is a widely used data model, library, and file format for storing and managing large amounts of data, commonly used in scientific computing, engineering, and data analysis applications. The use-after-free vulnerability could be leveraged by a local attacker to cause application crashes or potentially escalate privileges if combined with other vulnerabilities or misconfigurations.

Detailed information about CVE-2025-2913: Use After Free in HDF5 affecting null HDF5. Get real-time updates, technical details, and mitigation strategies.

CVE-2025-2913: Use After Free in HDF5 - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-2913: Use After Free in HDF5

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