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CVE-2025-2913

17
FAUCET Score

CVE-2025-2913 is a critical use-after-free vulnerability affecting HDF5 versions up to 1.14.6, specifically within the H5FL__blk_gc_list function in src/H5FL.c. This flaw can be triggered by manipulating the H5FL_blk_head_t argument. The vulnerability has a CVSS score of 5.3 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and potentially leading to low impact on confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is no evidence of active exploitation (KEV: No), nor are there any known Metasploit, Nuclei, or ExploitDB modules. Community discussion and media coverage are minimal, suggesting low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.0CPE matchmatch criteria
cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

1.9LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 61st percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: 17741-17084Fixed in: 1.14.6-1
microsoftpatch availablevia msrc
Product: azl3 hdf5 1.14.4.3-1 on Azure Linux 3.0Fixed in: 1.14.6-1
github_advisoryvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux AI (RHEL AI)Fixed in: hdf5

Vendor Advisories (2)

redhatCVE-2025-2913Low

hdf5: HDF5 H5FL.c H5FL__blk_gc_list use after free

Mar 28, 2025
microsoft2025-Mar/CVE-2025-2913

HDF5 H5FL.c H5FL__blk_gc_list use after free

Mar 11, 2025

References

github.com / HDFGroup/hdf5/issues/5376
ExploitIssue TrackingVendor Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry