HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-58013 — A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line...

·Source: NIST NVD

Updated:

Executive Summary

A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary.

Analysis

A flaw was found in GLib. A buffer over-read can occur in g_io_channel_read_line_backend() in the giochannel.c file when a custom line terminator with a length greater than one is set, causing memcmp to read past the GString buffer. This vulnerability can cause a minor information disclosure of 7 bytes or a denial of service when the buffer over-read crosses a page boundary. CVSS Score: 6.5. Published: 2026-06-30T13:19:17.457.

Indicators of Compromise (1)

CVE (1)
CVE-2026-58013
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jun 30, 2026. Verified by: NIST.

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