{"cve":"CVE-2011-0257","nvd":{"published":"2011-08-15T21:55:01.270","modified":"2026-06-16T23:27:06.033","status":"Modified","description":"Integer signedness error in Apple QuickTime before 7.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PnSize opcode in a PICT file that triggers a stack-based buffer overflow.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://securityreason.com/securityalert/8365","http://support.apple.com/kb/HT4826","http://www.exploit-db.com/exploits/17777","http://zerodayinitiative.com/advisories/ZDI-11-252/","https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16059"],"products":["apple:quicktime"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-0257","score":0.60106,"percentile":0.99134,"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."]}