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

CVE detail

CVE-2025-6270

A vulnerability, which was classified as critical, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5FS__sect_find_node of the file H5FSsection.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

CVSS 1.9 · LowBuzz score 33.42 public exploit repository references

Buzz score

Why this CVE is surfacing

Buzz score total 33.4

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 17.9 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 9.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
9.0
2 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
5 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.

2 repository references · best confidence 0.90 · max 0 stars
  • user-attachments/filesHigh confidence
    githubNVD Exploit reference0 starsDiscovered Aug 14, 2026, 12:21 PM

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

  • HDFGroup/hdf5High confidence
    githubNVD Exploit reference0 starsDiscovered Aug 14, 2026, 12:21 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-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
  • 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
  • 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
  • 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
  • CVE-2025-6750

    A vulnerability, which was classified as problematic, has been found in HDF5 1.14.6. Affected by this issue is the function H5O__mtime_new_encode of the file src/H5Omtime.c. The m…

    CVSS 1.9 · Low
  • CVE-2025-6516

    A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The man…

    CVSS 1.9 · Low