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CVE-2026-34734 HDF5: H5T__conv_struct Use After Free

🗓️ 09 Apr 2026 19:01:21Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Older HDF5 versions have a heap use after free in the dump utility when processing a malicious file.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34734
9 Apr 202619:01
attackerkb
BDU FSTEC
The vulnerability of the HDF5 library, related to the use of memory after it is freed, allows a hacker to execute arbitrary code.
25 May 202600:00
bdu_fstec
Circl
CVE-2026-34734
9 Apr 202621:22
circl
CNNVD
HDF5 资源管理错误漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34734
9 Apr 202619:01
cve
Debian CVE
CVE-2026-34734
9 Apr 202619:01
debiancve
EUVD
EUVD-2026-21020
9 Apr 202619:01
euvd
NVD
CVE-2026-34734
9 Apr 202620:16
nvd
OSV
CVE-2026-34734 HDF5: H5T__conv_struct Use After Free
9 Apr 202619:01
osv
OSV
DEBIAN-CVE-2026-34734
9 Apr 202620:16
osv
Rows per page
[
  {
    "vendor": "HDFGroup",
    "product": "hdf5",
    "versions": [
      {
        "version": "<= 1.14.1-2",
        "status": "affected"
      }
    ]
  }
]

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09 Apr 2026 19:01Current
CVSS 3.17.8
EPSS0.00193
30