{"cve":"CVE-2010-1121","nvd":{"published":"2010-03-25T21:00:01.127","modified":"2026-06-16T23:17:33.140","status":"Modified","description":"Mozilla Firefox 3.6.x before 3.6.3 does not properly manage the scopes of DOM nodes that are moved from one document to another, which allows remote attackers to conduct use-after-free attacks and execute arbitrary code via unspecified vectors involving improper interaction with garbage collection, as demonstrated by Nils during a Pwn2Own competition at CanSecWest 2010.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://dvlabs.tippingpoint.com/blog/2010/02/15/pwn2own-2010","http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043369.html","http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043405.html","http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html","http://news.cnet.com/8301-27080_3-20001126-245.html"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:55:32.599380760+00:00"},"epss":{"cve":"CVE-2010-1121","score":0.05726,"percentile":0.93044,"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."]}