{"cve":"CVE-2009-0689","nvd":{"published":"2009-07-01T13:00:01.360","modified":"2026-06-16T23:05:34.370","status":"Modified","description":"Array index error in the (1) dtoa implementation in dtoa.c (aka pdtoa.c) and the (2) gdtoa (aka new dtoa) implementation in gdtoa/misc.c in libc, as used in multiple operating systems and products including in FreeBSD 6.4 and 7.2, NetBSD 5.0, OpenBSD 4.5, Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4, K-Meleon 1.5.3, SeaMonkey 1.1.8, and other products, allows context-dependent attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large precision value in the format argument to a printf function, which triggers incorrect memory allocation and a heap-based buffer overflow during conversion to a floating-point number.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/gdtoa/gdtoaimp.h","http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html","http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html","http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html","http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html"],"products":["freebsd:freebsd","k-meleon_project:k-meleon","mozilla:firefox","mozilla:seamonkey","netbsd:netbsd","openbsd:openbsd"],"source":"nvd","synced_at":"2026-10-19T19:54:07.895733559+00:00"},"epss":{"cve":"CVE-2009-0689","score":0.29381,"percentile":0.98178,"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."]}