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CVE-2025-2153· NVD / CVE Program· CNA VulDB

HDF5 h5 File H5SM.c H5SM_delete heap-based overflow

Noroxi assessment

Priority: Monitor (action score 9/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.50% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. Special conditions such as timing or configuration are required.
  • Fixed version: azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0 1.14.6-1; azl3 hdf5 1.14.6-1 on Azure Linux 3.0 1.14.6-1; cbl2 hdf5 1.14.4-1 on CBL Mariner 2.0 1.14.6-1.

Low priority for now. Upgrade to azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0 1.14.6-1; azl3 hdf5 1.14.6-1 on Azure Linux 3.0 1.14.6-1; cbl2 hdf5 1.14.4-1 on CBL Mariner 2.0 1.14.6-1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability, which was classified as critical, was found in HDF5 1.14.6. Affected is the function H5SM_delete of the file H5SM.c of the component h5 File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

LowCVSS 2.3 · v4.0—No exploit Fix available
Published
Mar 10, 2025
Updated
Jun 17, 2026
EPSS
0.5% · 41th percentile

Report tools

JSON

Action score

9

Monitor

Low priority for now.

CVSS
9 / 40 · 2.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
2.3
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2025-2153

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
hdfgrouphdf5

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • hdfgroup hdf51.14.6

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a HDF5

    • 1.14.6affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12hdf5from 0—
Debian:14hdf5before 2.1.0+repack-12.1.0+repack-1

Same product

hdfgroup: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-13876An issue was discovered in the HDF HDF5 1.8.20 library.
    40Plan
  • CVE-2018-13874An issue was discovered in the HDF HDF5 1.8.20 library.
    40Plan
  • CVE-2018-13873An issue was discovered in the HDF HDF5 1.8.20 library.
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2024-33877May 14, 2024 · HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5T__conv_struct_opt in H5Tconv.c.
    35Monitor
  • ← EarlierCVE-2024-32608Oct 9, 2024 · HDF5 library through 1.14.3 has memory corruption in H5A__close resulting in the corruption of the instruction pointer and causing denial of
    39Monitor
  • Later →CVE-2025-2308Mar 14, 2025 · HDF5 Scale-Offset Filter H5Z__scaleoffset_decompress_one_byte heap-based overflow
    19Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
azl3 hdf5 1.14.4.3-1 on Azure Linux 3.01.14.6-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
azl3 hdf5 1.14.6-1 on Azure Linux 3.01.14.6-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 hdf5 1.14.4-1 on CBL Mariner 2.01.14.6-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 hdf5 1.14.6-1 on CBL Mariner 2.01.14.6-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
cbl2 hdf5 1.14.6-1 on CBL-Mariner 2.01.14.6-1 · CBL-Mariner ReleasesMicrosoft (MSRC)
debian:hdf52.1.0+repack-1 · Debian:14Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-23084 days apartHDF5 Scale-Offset Filter H5Z__scaleoffset_decompress_one_byte heap-based overflow
    19Monitor
  • CVE-2025-23094 days apartHDF5 Type Conversion Logic H5T__bit_copy heap-based overflow
    19Monitor
  • CVE-2025-23104 days apartHDF5 Metadata Attribute Decoder H5MM_strndup heap-based overflow
    19Monitor
  • CVE-2025-291218 days apartHDF5 H5Omessage.c H5O_msg_flush heap-based overflow
    7Monitor
  • CVE-2025-292318 days apartHDF5 H5Fint.c H5F_addr_encode_len heap-based overflow
    7Monitor
  • CVE-2025-292518 days apartHDF5 H5MM.c H5MM_realloc double free
    7Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
P
Scope
X

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

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References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records