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CVE-2026-58013

Published: July 1, 2026Last modified: July 8, 2026

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.

Severity score breakdown

ParameterValue
Base score8.2
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityLOW
Integrity impactNONE
Availability impactHIGH
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSglibUnknown (2.74.1-r2)
25 LTSglibUnknown (2.84.2-r0)
StreamglibFixed (2.88.2-r0)

References

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