{"cve":"CVE-2011-2778","nvd":{"published":"2011-12-23T03:59:22.020","modified":"2026-06-16T23:31:59.040","status":"Modified","description":"Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://www.debian.org/security/2011/dsa-2363","https://blog.torproject.org/blog/tor-02235-released-security-patches","http://www.debian.org/security/2011/dsa-2363","https://blog.torproject.org/blog/tor-02235-released-security-patches"],"products":["tor:tor"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-2778","score":0.03768,"percentile":0.89918,"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."]}