hdf5 v1.14.6 was discovered to contain a heap buffer overflow via the H5VM_memcpyvv function.
Conclusion & alert: CVE-2025-44904 is rated High Exploit Risk (69.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.31%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-26 | 0.06% | 0.31% | +0.25% |
| 2 | 2025-11-07 | 0.05% | 0.06% | +0.01% |
| 3 | 2025-10-27 | — | 0.05% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-44904 unimportant priority: Debian including 1 source packages (hdf5), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. | https://security-tracker.debian.org/tracker/CVE-2025-44904 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-44904 |
suse
|
medium | CVE-2025-44904 severity moderate: SUSE including 1 source package names (hdf5), 8 product×package rows across 8 product lines (SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, … (8 product lines)): Will Not Fix 8. | https://www.suse.com/security/cve/CVE-2025-44904/ |
ubuntu
|
medium | CVE-2025-44904 medium priority: Ubuntu including 1 source packages (hdf5), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 8, ignored 2. | https://ubuntu.com/security/CVE-2025-44904 |
| URL | Tags |
|---|---|
| https://github.com/madao123123/crash_report/blob/main/hdf5_poc/hdf5_poc1.md | Exploit Third Party Advisory |