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CVE-2026-2016

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CVE-2026-2016

Published: Feb 6, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

A security vulnerability has been detected in happyfish100 libfastcommon up to 1.0.84. Affected by this vulnerability is the function base64_decode of the file src/base64.c. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The identifier of the patch is 82f66af3e252e3e137dba0c3891570f085e79adf. Applying a patch is the recommended action to fix this issue.

VendorProductVersions

happyfish100

libfastcommon

affected
1.0.0
affected
1.0.1
affected
1.0.2
affected
1.0.3
affected
1.0.4

+80 more versions

Weaknesses (CWE)

CWE-121
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-344598 | CTI Indicators (IOB, IOC, IOA)
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