{"cve":"CVE-2013-4635","nvd":{"published":"2013-06-21T21:55:01.080","modified":"2026-06-16T23:57:39.110","status":"Modified","description":"Integer overflow in the SdnToJewish function in jewish.c in the Calendar component in PHP before 5.3.26 and 5.4.x before 5.4.16 allows context-dependent attackers to cause a denial of service (application hang) via a large argument to the jdtojewish function.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00034.html","http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00006.html","http://lists.opensuse.org/opensuse-security-announce/2013-08/msg00007.html","http://secunia.com/advisories/54104","http://www.attrition.org/pipermail/vim/2013-June/002697.html"],"products":["php:php"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4635","score":0.0423,"percentile":0.91016,"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."]}