CVE-2026-17573

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Source
https://cve.org/CVERecord?id=CVE-2026-17573
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-17573.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-17573
Downstream
Published
2026-07-27T15:11:54.655Z
Modified
2026-07-28T04:02:36.584794123Z
Severity
  • 4.0 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U CVSS Calculator
Summary
Double Free in H5D__chunk_copy() in HDF5 via a Crafted Chunk-Index Size Field
Details

A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free.

Database specific 
{
    "cna_assigner": "HDFG",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17573.json",
    "cwe_ids": [
        "CWE-415"
    ]
}
References

Affected packages

Git / github.com/hdfgroup/hdf5

Affected ranges

Type
GIT
Repo
https://github.com/hdfgroup/hdf5
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
4fde4fd787744b6a19b12032f4dad0383fbe6fbd
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.1.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

2.*
2.1.0
2.1.0-pre1test
2.1.1
Other
before_removing_docs
before_removing_fphdf5
before_removing_mpiposix_vfd
before_removing_tbbt_code
before_signed_unsigned_changes
final_autotools_develop
hdf5-1_0_0
hdf5-1_0_0-alpha2
hdf5-1_0_1
hdf5-1_13_0-rc1
hdf5-1_13_0-rc2
hdf5-1_13_0-rc3
hdf5-1_13_0-rc4
hdf5-1_13_0-rc5
hdf5-1_13_0-rc6
hdf5-1_2_0
hdf5-1_2_0-beta1-update2
hdf5-1_2_0beta
hdf5-1_2_1
hdf5-1_3_0
hdf5-1_3_1
hdf5-1_4_0
hdf5-1_4_1
hdf5-1_6_0
hdf5-1_6_1
hdf5-1_6_2
hdf5-1_8_0-alpha2
hdf5-1_8_0-alpha3
hdf5-1_8_0-alpha4
hdf5-1_8_0-beta1
hdf5-1_8_0-beta2
hdf5-1_8_0-beta3
hdf5-1_8_0-beta4
hdf5-1_8_0-beta5
hdf5-1_9-start
proto1
r1_1beta1
snapshot
vms_last_support_trunk
hdf5_2.*
hdf5_2.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-17573.json"