PT-2026-80763 · Resdata · Resdata

CVE-2026-55209

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Published

2026-08-18

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Updated

2026-08-19

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions resdata versions prior to 6.2.9
Description The software fails to correctly validate input within GRDECL files. This issue is particularly critical when the tool is used to parse untrusted files in networking contexts, such as webservices.
Recommendations Update to version 6.2.9 or later.

Fix

NULL Pointer Dereference

Improper Validation of Array Index

Out of bounds Read

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-55209
GHSA-PR85-W493-9W3X
PYSEC-2026-3694

Affected Products

Resdata