Riskcovery

CVE-2026-2016

happyfish100 libfastcommon base64.c base64_decode stack-based overflow

State
Published
Severity
4.8 Medium
Published
Feb 6, 2026
Updated
Feb 23, 2026
Reserved
Feb 5, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.04.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PVulDB
3.15.3 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CVulDB
3.05.3 MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:CVulDB
2.04.3 MediumAV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
libfastcommonhappyfish100
  • 1.0.0Affected
  • 1.0.1Affected
  • 1.0.2Affected
  • 1.0.3Affected
  • 1.0.4Affected
  • 1.0.5Affected
  • 1.0.6Affected
  • 1.0.7Affected
  • 1.0.8Affected
  • 1.0.9Affected
  • 1.0.10Affected
  • 1.0.11Affected
  • 1.0.12Affected
  • 1.0.13Affected
  • 1.0.14Affected
  • 1.0.15Affected
  • 1.0.16Affected
  • 1.0.17Affected
  • 1.0.18Affected
  • 1.0.19Affected
  • 1.0.20Affected
  • 1.0.21Affected
  • 1.0.22Affected
  • 1.0.23Affected
  • 1.0.24Affected
  • and 60 more versions

References

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