{"cve":"CVE-2011-1471","nvd":{"published":"2011-03-20T02:00:04.877","modified":"2026-06-16T23:29:24.590","status":"Modified","description":"Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://bugs.php.net/bug.php?id=49072","http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html","http://support.apple.com/kb/HT5002","http://www.debian.org/security/2011/dsa-2266","http://www.mandriva.com/security/advisories?name=MDVSA-2011:052"],"products":["php:php"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2011-1471","score":0.13189,"percentile":0.96368,"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."]}