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THREATINT
PUBLISHED

CVE-2025-4373

Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar



Description

A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.

Reserved 2025-05-06 | Published 2025-05-06 | Updated 2025-05-30 | Assigner redhat


MEDIUM: 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Problem types

Buffer Underwrite ('Buffer Underflow')

Product status

Default status
affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

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affected

Timeline

2025-05-06:Reported to Red Hat.
2025-05-06:Made public.

References

access.redhat.com/security/cve/CVE-2025-4373 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2364265 (RHBZ#2364265) issue-tracking

cve.org (CVE-2025-4373)

nvd.nist.gov (CVE-2025-4373)

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