Bug 2375416 (CVE-2025-6857)

Summary: CVE-2025-6857 hdf5: HDF5 Stack Buffer Overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: bbrownin
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in hdf5. The H5G__node_cmp3 function in src/H5Gnode.c contains a stack-based buffer overflow vulnerability that is triggered by manipulating data within a file. This flaw allows a local attacker to provide a specially crafted file. This issue can lead to a denial of service.
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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: 2375491, 2375494, 2375496, 2375499, 2375507    
Bug Blocks:    

Description OSIDB Bzimport 2025-06-29 11:01:07 UTC
A vulnerability has been found in HDF5 1.14.6 and classified as problematic. Affected by this vulnerability is the function H5G__node_cmp3 of the file src/H5Gnode.c. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.