CVE-2026-33147
HIGHGMT <= 6.6.0 - Stack Buffer Overflow in gmt_remote_dataset_id
Title source: manualExploitation Summary
EIP tracks 1 public exploit for CVE-2026-33147. PoCs published by redyank.
AI-analyzed exploit summary The repository contains a functional Python PoC exploiting a stack-based buffer overflow in the `gmt_remote_dataset_id` function of GMT via PyGMT. The exploit triggers the vulnerability by sending a crafted payload exceeding `PATH_MAX` bytes, leading to a crash or potential RCE.
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.
Exploits (1)
The repository contains a functional Python PoC exploiting a stack-based buffer overflow in the `gmt_remote_dataset_id` function of GMT via PyGMT. The exploit triggers the vulnerability by sending a crafted payload exceeding `PATH_MAX` bytes, leading to a crash or potential RCE.
References (2)
Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H