{"cve":"CVE-2015-0803","nvd":{"published":"2015-04-01T10:59:04.800","modified":"2026-06-17T00:20:55.677","status":"Modified","description":"The HTMLSourceElement::AfterSetAttr function in Mozilla Firefox before 37.0 does not properly constrain the original data type of a casted value during the setting of a SOURCE element's attributes, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via a crafted HTML document.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html","http://www.mozilla.org/security/announce/2015/mfsa2015-39.html","http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","http://www.securitytracker.com/id/1031996","http://www.ubuntu.com/usn/USN-2550-1"],"products":["canonical:ubuntu_linux","mozilla:firefox","opensuse:opensuse"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-0803","score":0.03416,"percentile":0.88892,"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."]}