{"id":"CVE-2008-4551","aliases":["DEBIAN-CVE-2008-4551","EUVD-2008-4532","GHSA-q36r-q874-43q3"],"status":"published","title":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash)...","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02517,"percentile":0.84932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2008-10-14T19:00:00Z","modified":"2026-10-23T17:47:44Z","fixes":[{"ecosystem":"Debian:12","package":"strongswan","fixed_in":["4.2.4-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"strongswan","fixed_in":["4.2.4-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"strongswan","fixed_in":["4.2.4-5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.4-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.4-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.4-5"}]}]}],"products":[{"vendor":"strongswan","product":"strongswan"}],"references":[{"url":"http://www.vupen.com/english/advisories/2008/2660","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id?1020903","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/31291","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://labs.mudynamics.com/advisories/MU-200809-01.txt","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/31963","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://download.strongswan.org/CHANGES4.txt","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2008-4551"},{"url":"https://github.com/advisories/GHSA-q36r-q874-43q3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2008-4551","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2008-4551","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2008-10-14T19:00:00Z","modified":"2024-08-07T10:17:09.92Z","updated_at":"2026-11-02T14:34:47.310062Z"}],"euvd":[{"id":"EUVD-2008-4532","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2008-10-14T19:00:00Z","modified":"2024-08-07T10:17:09Z","updated_at":"2026-11-03T01:38:47.367971Z"}],"ghsa":[{"id":"GHSA-q36r-q874-43q3","title":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash)...","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2022-05-02T00:11:12Z","modified":"2023-01-31T05:07:42Z","updated_at":"2026-11-02T14:49:15.572722Z"}],"nvd":[{"id":"CVE-2008-4551","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2008-10-14T20:00:01.637Z","modified":"2026-06-16T22:58:03.323Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:29.223028Z"}],"osv":[{"id":"CVE-2008-4551","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2008-10-14T20:00:01Z","modified":"2026-04-10T03:40:10.547907Z","updated_at":"2026-11-02T15:43:57.452479Z"},{"id":"DEBIAN-CVE-2008-4551","description":"strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).","status":"published","published":"2008-10-14T20:00:01.637Z","modified":"2026-10-23T17:47:44.2070991Z","updated_at":"2026-11-02T15:45:23.742363Z"}]}}