CVE-2026-2303 – Heap Out-of-Bounds Read in Go Driver GSSAPI C Wrappers enables application crash or information leak

CVE ID : CVE-2026-2303

Published : Feb. 10, 2026, 8:17 p.m. | 2 hours, 6 minutes ago

Description : The mongo-go-driver repository contains CGo bindings for GSSAPI (Kerberos) authentication on Linux and macOS. The C wrapper implementation contains a heap out-of-bounds read vulnerability due to incorrect assumptions about string termination in the GSSAPI standard. Since GSSAPI buffers are not guaranteed to be null-terminated or have extra padding, this results in reading one byte past the allocated heap buffer.

Severity: 6.9 | MEDIUM

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