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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 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 2 Views
| Reporter | Title | Published | Views | Family All 21 |
|---|---|---|---|---|
 | CVE-2026-34734 | 9 Apr 202619:01 | – | attackerkb |
 | CVE-2026-34734 | 9 Apr 202621:22 | – | circl |
 | HDF5 资源管理错误漏洞 | 9 Apr 202600:00 | – | cnnvd |
 | CVE-2026-34734 | 9 Apr 202619:01 | – | cve |
 | CVE-2026-34734 HDF5: H5T__conv_struct Use After Free | 9 Apr 202619:01 | – | cvelist |
 | CVE-2026-34734 | 9 Apr 202619:01 | – | debiancve |
 | EUVD-2026-21020 | 9 Apr 202619:01 | – | euvd |
 | CVE-2026-34734 | 9 Apr 202620:16 | – | nvd |
 | CVE-2026-34734 HDF5: H5T__conv_struct Use After Free | 9 Apr 202619:01 | – | osv |
| DEBIAN-CVE-2026-34734 | 9 Apr 202620:16 | – | osv |
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25 May 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 27.2
CVSS 37.8
EPSS0.00193