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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2025-44904

hdf5 v1.14.6 was discovered to contain a heap buffer overflow via the H5VM_memcpyvv function.

CVSS 8.8 · HighBuzz score 25.51 public exploit repository references

Buzz score

Why this CVE is surfacing

Buzz score total 25.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 4.5
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
10.0
2 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
4.5
1 repos · best confidence 0.90
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

1 repository references · best confidence 0.90 · max 0 stars
  • madao123123/crash_reportHigh confidence
    githubNVD Exploit reference0 starsDiscovered Aug 6, 2026, 12:20 PM

    NVD labels the source link as Exploit; this is not independent verification of the repository's code.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2026-29043

    HDF5 is software for managing data. In 1.14.1-2 and earlier, an attacker who can control an h5 file parsed by HDF5 can trigger a write-based heap buffer overflow condition in the…

    CVSS 5.5 · Medium
    1 mention
  • CVE-2026-26200

    HDF5 is software for managing data. Prior to version 1.14.4-2, an attacker who can control an `h5` file parsed by HDF5 can trigger a write-based heap buffer overflow condition. Th…

    CVSS 7.8 · High
    4 mentions
  • CVE-2025-7069

    A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5FS__sect_link_size of the file src/H5FSsection.c. The manipulation leads…

    CVSS 1.9 · Low
    Public PoC observed5 mentions
  • CVE-2025-7067

    A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5FS__sinfo_serialize_node_cb of the file src/H5FScache.c. The manipula…

    CVSS 1.9 · Low
    Public PoC observed5 mentions
  • CVE-2025-6818

    A vulnerability, which was classified as problematic, was found in HDF5 1.14.6. Affected is the function H5O__chunk_protect of the file /src/H5Ochunk.c. The manipulation leads to…

    CVSS 1.9 · Low
    Public PoC observed5 mentions
  • CVE-2025-6816

    A vulnerability classified as problematic was found in HDF5 1.14.6. This vulnerability affects the function H5O__fsinfo_encode of the file /src/H5Ofsinfo.c. The manipulation leads…

    CVSS 1.9 · Low
    Public PoC observed5 mentions