{"cve":"CVE-2012-4436","nvd":{"published":"2012-10-22T23:55:07.133","modified":"2026-06-16T23:45:05.813","status":"Modified","description":"Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html","http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git%3Ba=commitdiff%3Bh=a60f05ad44e824f6230b22f8976399340cb535dc","http://www.openwall.com/lists/oss-security/2012/09/19/2","http://www.openwall.com/lists/oss-security/2012/09/20/4","http://www.cipherdyne.org/blog/2012/09/software-release-fwknop-2.0.3.html"],"products":["cipherdyne:fwknop"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4436","score":0.00656,"percentile":0.51411,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}