{"id":"CVE-2006-0036","aliases":["BELL-CVE-2006-0036","EUVD-2006-0044","GHSA-8f24-59jc-5rvh"],"status":"published","title":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and...","description":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03283,"percentile":0.88536,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-01-23T22:00:00Z","modified":"2026-06-16T22:19:46Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.vupen.com/english/advisories/2006/0220","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/16414","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://securityreason.com/securityalert/388","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.trustix.org/errata/2006/0004","tags":["vendor-advisory","x_refsource_TRUSTIX","x_transferred"]},{"url":"http://secunia.com/advisories/18482","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/24203","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=15db34702cfafd24acc60295cf14861e497502ab","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0036"},{"url":"http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=15db34702cfafd24acc60295cf14861e497502ab"},{"url":"https://github.com/advisories/GHSA-8f24-59jc-5rvh"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2006-0036","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-0036","description":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.","status":"published","published":"2006-01-23T22:00:00Z","modified":"2024-08-07T16:18:20.663Z","updated_at":"2026-11-02T14:33:52.569914Z"}],"euvd":[{"id":"EUVD-2006-0044","description":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.","status":"published","published":"2006-01-23T22:00:00Z","modified":"2024-08-07T16:18:20Z","updated_at":"2026-11-03T01:16:11.812011Z"}],"ghsa":[{"id":"GHSA-8f24-59jc-5rvh","title":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and...","description":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.","status":"published","published":"2022-05-01T06:37:07Z","modified":"2025-04-03T04:26:40Z","updated_at":"2026-11-02T15:00:45.047917Z"}],"nvd":[{"id":"CVE-2006-0036","description":"ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows remote attackers to cause a denial of service (memory corruption or crash) via an inbound PPTP_IN_CALL_REQUEST packet that causes a null pointer to be used in an offset calculation.","status":"published","published":"2006-01-23T22:03:00Z","modified":"2026-06-16T22:19:46.12Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:00.269596Z"}],"osv":[{"id":"BELL-CVE-2006-0036","title":"CVE-2006-0036 does not affect BellSoft software","status":"withdrawn","published":"2006-01-23T22:03:00Z","modified":"2026-01-28T07:19:54.675554Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high"}],"updated_at":"2026-11-02T15:28:12.886815Z"}]}}