CVE-2024-32622: hdfgroup hdf5 Out-of-bounds Read
Vulnerability summary
CVE-2024-32622 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in hdfgroup hdf5. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.
Severe, CVSS 9.1 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 09-05-2024PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
HDF5 Library through 1.14.3 contains a out-of-bounds read operation in H5FL_arr_malloc in H5FL.c (called from H5S_set_extent_simple in H5S.c).
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.99% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- hdf5All versions (No fix recorded) | < 1.14.5+repack-1
Hdfgroup1 product
- hdf5< 1.14.4
Ubuntu1 product
- hdf5All versions (No fix recorded)
3 vendors · 3 products
