resdata has Classic Buffer Overflow, Improper Validation of Array Index, NULL Pointer Dereference and Out-of-bounds Read
Impact
Prior to version 6.2.9 resdata would not correctly validate input in GRDECL files. The severity rating assumes that resdata is used to parse untrused files in a networking context such as a webservice.
Patches
The bug has been patched starting with version 6.2.9.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | resdata | < 6.2.9 | 6.2.9 |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-120, CWE-125, CWE-129, CWE-476- Platform
- Python (PyPI)
- Package
resdata- Disclosed
- 18.08.2026
- Updated
- 11.10.2026 14:19
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-3694 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-pr85-w493-9w3x - CC BY 4.0
Vulnerability history: resdata
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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