CVE-2026-1489

MEDIUM
2026-01-27 [email protected]
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Jan 27, 2026 - 15:15 nvd
MEDIUM 5.4

Tags

Integer Overflow Memory Corruption Denial Of Service Redhat Suse

Description

A flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable.

Analysis

GLib's Unicode case conversion function contains an integer overflow flaw that causes undersized memory allocation when processing extremely large strings, enabling out-of-bounds writes. Applications using GLib for string operations could experience crashes or instability when exposed to specially crafted input. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +27
POC: 0

Vendor Status

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CVE-2026-1489 vulnerability details – vuln.today
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