{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-2016", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-2016", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-02-06T11:02:08.107Z", "updatedAt": "2026-02-23T09:24:15.968Z", "importedAt": "2026-10-24T01:58:02.025Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "happyfish100 libfastcommon base64.c base64_decode stack-based overflow", "summary": "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.", "affected": [ { "vendor": "happyfish100", "product": "libfastcommon", "versions": [ { "version": "1.0.0", "status": "affected" }, { "version": "1.0.1", "status": "affected" }, { "version": "1.0.2", "status": "affected" }, { "version": "1.0.3", "status": "affected" }, { "version": "1.0.4", "status": "affected" }, { "version": "1.0.5", "status": "affected" }, { "version": "1.0.6", "status": "affected" }, { "version": "1.0.7", "status": "affected" }, { "version": "1.0.8", "status": "affected" }, { "version": "1.0.9", "status": "affected" }, { "version": "1.0.10", "status": "affected" }, { "version": "1.0.11", "status": "affected" }, { "version": "1.0.12", "status": "affected" }, { "version": "1.0.13", "status": "affected" }, { "version": "1.0.14", "status": "affected" }, { "version": "1.0.15", "status": "affected" }, { "version": "1.0.16", "status": "affected" }, { "version": "1.0.17", "status": "affected" }, { "version": "1.0.18", "status": "affected" }, { "version": "1.0.19", "status": "affected" }, { "version": "1.0.20", "status": "affected" }, { "version": "1.0.21", "status": "affected" }, { "version": "1.0.22", "status": "affected" }, { "version": "1.0.23", "status": "affected" }, { "version": "1.0.24", "status": "affected" }, { "version": "1.0.25", "status": "affected" }, { "version": "1.0.26", "status": "affected" }, { "version": "1.0.27", "status": "affected" }, { "version": "1.0.28", "status": "affected" }, { "version": "1.0.29", "status": "affected" }, { "version": "1.0.30", "status": "affected" }, { "version": "1.0.31", "status": "affected" }, { "version": "1.0.32", "status": "affected" }, { "version": "1.0.33", "status": "affected" }, { "version": "1.0.34", "status": "affected" }, { "version": "1.0.35", "status": "affected" }, { "version": "1.0.36", "status": "affected" }, { "version": "1.0.37", "status": "affected" }, { "version": "1.0.38", "status": "affected" }, { "version": "1.0.39", "status": "affected" }, { "version": "1.0.40", "status": "affected" }, { "version": "1.0.41", "status": "affected" }, { "version": "1.0.42", "status": "affected" }, { "version": "1.0.43", "status": "affected" }, { "version": "1.0.44", "status": "affected" }, { "version": "1.0.45", "status": "affected" }, { "version": "1.0.46", "status": "affected" }, { "version": "1.0.47", "status": "affected" }, { "version": "1.0.48", "status": "affected" }, { "version": "1.0.49", "status": "affected" }, { "version": "1.0.50", "status": "affected" }, { "version": "1.0.51", "status": "affected" }, { "version": "1.0.52", "status": "affected" }, { "version": "1.0.53", "status": "affected" }, { "version": "1.0.54", "status": "affected" }, { "version": "1.0.55", "status": "affected" }, { "version": "1.0.56", "status": "affected" }, { "version": "1.0.57", "status": "affected" }, { "version": "1.0.58", "status": "affected" }, { "version": "1.0.59", "status": "affected" }, { "version": "1.0.60", "status": "affected" }, { "version": "1.0.61", "status": "affected" }, { "version": "1.0.62", "status": "affected" }, { "version": "1.0.63", "status": "affected" }, { "version": "1.0.64", "status": "affected" }, { "version": "1.0.65", "status": "affected" }, { "version": "1.0.66", "status": "affected" }, { "version": "1.0.67", "status": "affected" }, { "version": "1.0.68", "status": "affected" }, { "version": "1.0.69", "status": "affected" }, { "version": "1.0.70", "status": "affected" }, { "version": "1.0.71", "status": "affected" }, { "version": "1.0.72", "status": "affected" }, { "version": "1.0.73", "status": "affected" }, { "version": "1.0.74", "status": "affected" }, { "version": "1.0.75", "status": "affected" }, { "version": "1.0.76", "status": "affected" }, { "version": "1.0.77", "status": "affected" }, { "version": "1.0.78", "status": "affected" }, { "version": "1.0.79", "status": "affected" }, { "version": "1.0.80", "status": "affected" }, { "version": "1.0.81", "status": "affected" }, { "version": "1.0.82", "status": "affected" }, { "version": "1.0.83", "status": "affected" }, { "version": "1.0.84", "status": "affected" } ] } ] } } }