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CVE-2025-4373 Glib: buffer underflow on glib through glib/gstring.c via function g_string_insert_unichar

🗓️ 06 May 2025 14:48:39Reported by GoogleType 
osv
 osv🔗 osv.dev👁 11 Views

GLib has an integer overflow vulnerability in g_string_insert_unichar() causing buffer underwrite issues.

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Refs
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in glib2 library (CVE-2024-52533, CVE-2025-4373) affect Power HMC.
9 Sep 202513:53
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IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in RedHat UBI affect IBM Robotic Process Automation for Cloud Pak
16 Jan 202614:25
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IBM Security Bulletins		Security Bulletin: IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image
7 Aug 202508:11
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IBM Security Bulletins		Security Bulletin: IBM Sterling Connect:Direct Web Services uses glib2 which is affected by CVE-2024-52533 and CVE-2025-4373
7 Aug 202506:42
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IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images
5 Sep 202519:04
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IBM Security Bulletins		Security Bulletin: TSSC/IMC addresses multiple security vulnerabilities.
14 Nov 202510:42
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in multiple components affect IBM SAN Volume Controller, IBM Spectrum Virtualize and IBM FlashSystem products
26 Nov 202510:07
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ATTACKERKB		CVE-2025-4373
6 May 202515:16
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Tenable Nessus		Alibaba Cloud Linux 3 : 0120: glib2 (ALINUX3-SA-2025:0120)
22 Jul 202500:00
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Tenable Nessus		AlmaLinux 9 : glib2 (ALSA-2025:11140)
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21 Jul 2026 03:41Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.14.8
EPSS0.00465
glib vulnerabilityinteger overflowbuffer underwriteg_string_insert_unichar function
11