{"id":"CVE-2018-17846","aliases":["BELL-CVE-2018-17846","EUVD-2023-2602","GHSA-vfw5-hrgq-h5wf","GO-2020-0014","UBUNTU-CVE-2018-17846"],"status":"published","title":"x/net/html Vulnerable to DoS During HTML Parsing","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles \u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02515,"percentile":0.84918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2018-10-01T08:00:00Z","modified":"2026-06-17T01:46:23Z","fixes":[{"ecosystem":"Go","package":"golang.org/x/net","fixed_in":["0.0.0-20190125091013-d26f9f9a57f3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"golang.org/x/net","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.0-20190125091013-d26f9f9a57f3"}]}]},{"source":"osv","ecosystem":"Go","package":"golang.org/x/net","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20190125091013-d26f9f9a57f3"}]}]},{"source":"osv","ecosystem":"Go","package":"golang.org/x/net","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.0.0-20190125091013-d26f9f9a57f3"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"golang-golang-x-net-dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0+git20150226.3d87fd6-3","0.0+git20151007.b846920+dfsg-1","1:0.0+git20150817.66f0418-1","1:0.0+git20160110.4fd4a9f-1","1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm1","1:0.0+git20160110.4fd4a9f-1ubuntu0.1~esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"golang-golang-x-net-dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0+git20170629.c81e7f2+dfsg-1ubuntu1","1:0.0+git20170629.c81e7f2+dfsg-1ubuntu2","1:0.0+git20170629.c81e7f2+dfsg-2","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm1","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm2","1:0.0+git20170629.c81e7f2+dfsg-2ubuntu0.1~esm3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"golang-golang-x-net-dev","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0+git20190811.74dc4d7+dfsg-1","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm1","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm2","1:0.0+git20190811.74dc4d7+dfsg-1ubuntu0.1~esm3"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"golang","product":"net"}],"references":[{"url":"https://github.com/golang/go/issues/27842","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LREEWY6KNLHRWFZ7OT4HVLMVVCGGUHON/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKRCI7WIOCOCD3H7NXWRGIRABTQOZOBK/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-17846","tags":["advisory"]},{"url":"https://go-review.googlesource.com/c/137275","tags":["web","fix"]},{"url":"https://go.dev/issue/27842","tags":["web","report"]},{"url":"https://go.googlesource.com/net/+/d26f9f9a57f3fab6a695bec0d84433c2c50f8bbf","tags":["web","fix"]},{"url":"https://pkg.go.dev/vuln/GO-2020-0014","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LREEWY6KNLHRWFZ7OT4HVLMVVCGGUHON","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UKRCI7WIOCOCD3H7NXWRGIRABTQOZOBK","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vfw5-hrgq-h5wf"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-17846","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-17846","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-17846","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-17846","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles \u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.","status":"published","published":"2018-10-01T08:00:00Z","modified":"2024-08-05T10:54:10.681Z","updated_at":"2026-11-02T14:35:07.354449Z"}],"euvd":[{"id":"EUVD-2023-2602","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles \u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.","status":"published","published":"2018-10-01T08:00:00Z","modified":"2024-08-05T10:54:10Z","updated_at":"2026-11-03T02:39:37.172177Z"}],"ghsa":[{"id":"GHSA-vfw5-hrgq-h5wf","title":"x/net/html Vulnerable to DoS During HTML Parsing","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles `\u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e`, leading to an infinite loop during an `html.Parse` call because `inSelectIM` and `inSelectInTableIM` do not comply with a specification.","status":"published","published":"2023-09-25T17:33:10Z","modified":"2024-05-20T19:40:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:37:50.750599Z"}],"nvd":[{"id":"CVE-2018-17846","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles \u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.","status":"published","published":"2018-10-01T08:29:02.083Z","modified":"2026-06-17T01:46:23.493Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:04:42.52179Z"}],"osv":[{"id":"BELL-CVE-2018-17846","title":"CVE-2018-17846 does not affect BellSoft software","status":"withdrawn","published":"2018-10-01T08:29:00Z","modified":"2026-01-26T09:47:02.238998Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"GHSA-vfw5-hrgq-h5wf","title":"x/net/html Vulnerable to DoS During HTML Parsing","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles `\u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e`, leading to an infinite loop during an `html.Parse` call because `inSelectIM` and `inSelectInTableIM` do not comply with a specification.","status":"published","published":"2023-09-25T17:33:10Z","modified":"2024-05-20T19:40:06Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T15:46:57.348035Z"},{"id":"UBUNTU-CVE-2018-17846","description":"The html package (aka x/net/html) through 2018-09-25 in Go mishandles \u003ctable\u003e\u003cmath\u003e\u003cselect\u003e\u003cmi\u003e\u003cselect\u003e\u003c/table\u003e, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.","status":"published","published":"2018-10-01T08:29:00Z","modified":"2026-06-09T21:15:37.169353774Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.496046Z"},{"id":"GO-2020-0014","title":"Infinite loop due to improper handling of \"select\" tags in golang.org/x/net/html","description":"html.Parse does not properly handle \"select\" tags, which can lead to an infinite loop. If parsing user supplied input, this may be used as a denial of service vector.","status":"published","published":"2021-04-14T20:04:52Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:00.604718Z"}]}}