CVE-2025-15537

A security vulnerability has been detected in Mapnik up to 4.2.0. This issue affects the function mapnik::dbf_file::string_value of the file plugins/input/shape/dbfile.cpp. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

• CWE-119
• CWE-122
• CWE-787

• https://github.com/mapnik/mapnik/
• https://github.com/mapnik/mapnik/issues/4543Exploit, Issue Tracking, Vendor Advisory
• https://github.com/oneafter/1218/blob/main/reproProduct
• https://vuldb.com/?ctiid.341709Permissions Required, VDB Entry
• https://vuldb.com/?id.341709Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.733348Exploit, Third Party Advisory, VDB Entry
• https://github.com/mapnik/mapnik/issues/4543Exploit, Issue Tracking, Vendor Advisory

Published

Jan 18, 2026

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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