{"id":"CVE-2006-6870","aliases":["DEBIAN-CVE-2006-6870","EUVD-2006-6853","GHSA-mc78-8grw-5ghv"],"status":"published","title":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to...","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","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":0.02437,"percentile":0.84393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2006-12-31T05:00:00Z","modified":"2026-10-22T23:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"avahi","fixed_in":["0.6.16-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"avahi","fixed_in":["0.6.16-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"avahi","fixed_in":["0.6.16-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"avahi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.16-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"avahi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.16-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"avahi","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.16-1"}]}]}],"products":[{"vendor":"avahi","product":"avahi"}],"references":[{"url":"http://secunia.com/advisories/23673","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDKSA-2007:003","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.avahi.org/#December2006","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.vupen.com/english/advisories/2007/0071","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/23644","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.novell.com/linux/security/advisories/2007_007_suse.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","advisory"]},{"url":"http://www.avahi.org/ticket/84","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://fedoranews.org/cms/node/2362","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/23660","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/24995","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.avahi.org/changeset/1340","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://fedoranews.org/cms/node/2408","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/23628","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/23782","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/usn-402-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/21881","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-6870"},{"url":"https://github.com/advisories/GHSA-mc78-8grw-5ghv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2006-6870","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2006-6870","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2007-01-05T00:00:00Z","modified":"2024-08-07T20:42:07.511Z","updated_at":"2026-11-02T14:33:50.374603Z"}],"euvd":[{"id":"EUVD-2006-6853","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2007-01-05T00:00:00Z","modified":"2024-08-07T20:42:07Z","updated_at":"2026-11-03T01:15:41.522555Z"}],"ghsa":[{"id":"GHSA-mc78-8grw-5ghv","title":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to...","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2022-05-01T07:42:22Z","modified":"2023-01-31T05:02:54Z","updated_at":"2026-11-02T14:48:21.760844Z"}],"nvd":[{"id":"CVE-2006-6870","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2006-12-31T05:00:00Z","modified":"2026-06-16T22:33:57.66Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:10.726159Z"}],"osv":[{"id":"CVE-2006-6870","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2006-12-31T05:00:00Z","modified":"2026-04-10T03:37:55.385207Z","updated_at":"2026-11-02T15:43:56.865964Z"},{"id":"DEBIAN-CVE-2006-6870","description":"The consume_labels function in avahi-core/dns.c in Avahi before 0.6.16 allows remote attackers to cause a denial of service (infinite loop) via a crafted compressed DNS response with a label that points to itself.","status":"published","published":"2006-12-31T05:00:00Z","modified":"2026-10-22T23:47:28.451913987Z","updated_at":"2026-11-02T15:45:23.105674Z"}]}}