CVE-2026-58013

CVE-2026-58013 · Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"

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This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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 6.5 · Medium · EPSS 0.5% · Fix available

Published

2026-06-30T12:57:34.902Z

Updated

2026-10-14T19:28:27.287Z

Stack: system

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