CVE-2026-86095
⚠️ highSummary
Unidata netcdf-c through 4.10.1 contains an out-of-bounds write vulnerability in NC4_HDF5_inq_attname() that copies HDF5 attribute names into a fixed 256-byte buffer without length validation. Attackers can craft HDF5 files with oversized attribute names to overflow the destination buffer, causing memory corruption and crashes when applications enumerate attribute names.
CVSS Score
7.8
High
EPSS Score
0.1
Exploit Probability
Published Date
2026-09-04
First Seen: 2026-09-05
📊 Relative Risk Intelligence
This CVE is Moderate Risk - more severe than 68.7% of all 353,061 vulnerabilities in our database.
#110,655
Above average severity
Severity Percentile
Last Modified
2026-09-04
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Vector 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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
CWE IDs (Weakness Types)