Bug 2374364 (CVE-2025-6516)

Summary: CVE-2025-6516 hdf5: HDF5 heap-based overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: bbrownin
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A heap-based buffer overflow was found in HDF5. This flaw exists in the H5F_addr_decode_len function of the /hdf5/src/H5Fint.c file and may be triggered by input manipulation to the function. Local access is required to exploit this flaw.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2374405, 2374406, 2374407, 2374408, 2374409, 2374410    
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Description OSIDB Bzimport 2025-06-23 18:01:19 UTC 
A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.