{"cve":"CVE-2011-1770","nvd":{"published":"2011-06-24T20:55:03.530","modified":"2026-06-16T23:29:59.690","status":"Modified","description":"Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-191"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html","http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html","http://marc.info/?l=linux-kernel&m=130468845209036&w=2","http://marc.info/?l=linux-kernel&m=130469305815140&w=2","http://secunia.com/advisories/44932"],"products":["fedoraproject:fedora","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-1770","score":0.04364,"percentile":0.91253,"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."]}