{"cve":"CVE-2011-3327","nvd":{"published":"2011-10-10T10:55:06.690","modified":"2026-06-16T23:33:05.497","status":"Modified","description":"Heap-based buffer overflow in the ecommunity_ecom2str function in bgp_ecommunity.c in bgpd in Quagga before 0.99.19 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code by sending a crafted BGP UPDATE message over IPv4.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://code.quagga.net/?p=quagga.git%3Ba=commit%3Bh=94431dbc753171b48b5c6806af97fd690813b00a","http://lists.opensuse.org/opensuse-security-announce/2011-09/msg00027.html","http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00007.html","http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00010.html","http://lists.opensuse.org/opensuse-security-announce/2011-12/msg00009.html"],"products":["quagga:quagga"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-3327","score":0.07615,"percentile":0.94556,"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."]}