{"cve":"CVE-2013-4163","nvd":{"published":"2013-07-29T13:59:56.833","modified":"2026-06-16T23:56:44.183","status":"Modified","description":"The ip6_append_data_mtu function in net/ipv6/ip6_output.c in the IPv6 implementation in the Linux kernel through 3.10.3 does not properly maintain information about whether the IPV6_MTU setsockopt option had been specified, which allows local users to cause a denial of service (BUG and system crash) via a crafted application that uses the UDP_CORK option in a setsockopt system call.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=75a493e60ac4bbe2e977e7129d6d8cbb0dd236be","http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00003.html","http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html","http://secunia.com/advisories/54148","http://www.openwall.com/lists/oss-security/2013/07/23/10"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4163","score":0.00524,"percentile":0.44483,"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."]}