CVE-2026-1484

MEDIUM
2026-01-27 [email protected]
4.2
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
High
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 - 14:15 nvd
MEDIUM 4.2

Tags

Denial Of Service Redhat Suse

Description

A flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.

Analysis

GLib's Base64 encoder miscalculates buffer boundaries when handling extremely large inputs due to integer type misuse, potentially causing out-of-bounds memory writes. Applications processing untrusted large Base64 data could experience crashes or unpredictable behavior, though code execution is not indicated by the vector constraints. …

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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

21
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +21
POC: 0

Vendor Status

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CVE-2026-1484 vulnerability details – vuln.today
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