CVE-2026-33147

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

GMT is an open source collection of command-line tools for manipulating geographic and Cartesian data sets. In versions from 6.6.0 and prior, a stack-based buffer overflow vulnerability was identified in the gmt_remote_dataset_id function within src/gmt_remote.c. This issue occurs when a specially crafted long string is passed as a dataset identifier (e.g., via the which module), leading to a crash or potential arbitrary code execution. This issue has been patched via commit 0ad2b49.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
GenericMappingTools	gmt	<= 6.6.0

References

https://github.com/GenericMappingTools/gmt/commit/0ad2b491470df82c9ec1139dcbd70502fa28a082Patch
https://github.com/GenericMappingTools/gmt/security/advisories/GHSA-fqxx-62x7-9gwgExploit, Vendor Advisory
https://github.com/GenericMappingTools/gmt/security/advisories/GHSA-fqxx-62x7-9gwgExploit, Vendor Advisory

Timeline

Published: Mar 20, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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