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CVE-2026-58013

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

Published: Jun 30, 2026Updated: Jun 30, 2026 Sources: CVE List NVDCWE-126

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:LAvailability
Low

Weaknesses

Affected Products

and 4 more affected products View all →

Exploitability

Workaround Available

References

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