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Vulnerabilities CVE-2026-58013

CVE-2026-58013

Medium
Open
TLP:CLEAR

Glib: buffer over-read in glib/giochannel.c via "g_io_channel_read_line_backend"

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Description

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.

Details

CVSS Score
6.5
EPSS Score
0.37%

30th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Confidence
90%
Published
Jun 30, 2026
Last Modified
Aug 3, 2026
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