{"id":"CVE-2015-2311","aliases":["DEBIAN-CVE-2015-2311","EUVD-2015-2406","GHSA-w3xw-rq95-8jcw","UBUNTU-CVE-2015-2311"],"status":"published","title":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow...","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0254,"percentile":0.85081,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-191"],"published":"2017-08-09T18:00:00Z","modified":"2026-09-09T07:00:38Z","fixes":[{"ecosystem":"Debian:12","package":"capnproto","fixed_in":["0.4.1-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"capnproto","fixed_in":["0.4.1-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"capnproto","fixed_in":["0.4.1-3"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"capnproto","fixed_in":["0.4.0-1ubuntu2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"capnproto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.1-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"capnproto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.1-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"capnproto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.1-3"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"capnproto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0-1ubuntu2.1"}]}],"versions":["0.2.1-1","0.4.0~git20131030+e7d2778-0ubuntu1","0.4.0-1ubuntu1","0.4.0-1ubuntu2"]}],"products":[{"vendor":"capnproto","product":"capnproto"}],"references":[{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://www.openwall.com/lists/oss-security/2015/03/17/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.md","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2311"},{"url":"https://github.com/advisories/GHSA-w3xw-rq95-8jcw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-2311","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2015-2311","tags":["report"]},{"url":"https://github.com/sandstorm-io/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.md","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-2311","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2015-2311","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:00:00Z","modified":"2024-08-06T05:10:16.28Z","updated_at":"2026-11-02T14:35:41.26549Z"}],"euvd":[{"id":"EUVD-2015-2406","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:00:00Z","modified":"2024-08-06T05:10:16Z","updated_at":"2026-11-03T02:22:12.40366Z"}],"ghsa":[{"id":"GHSA-w3xw-rq95-8jcw","title":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow...","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2022-05-17T01:59:31Z","modified":"2023-02-03T05:06:37Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:53:55.946665Z"}],"nvd":[{"id":"CVE-2015-2311","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:29:01.027Z","modified":"2026-06-17T00:23:54.133Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-191"],"updated_at":"2026-11-02T14:03:17.730372Z"}],"osv":[{"id":"CVE-2015-2311","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:29:01Z","modified":"2026-04-10T03:46:13.320108Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:00.594921Z"},{"id":"DEBIAN-CVE-2015-2311","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:29:01.027Z","modified":"2026-09-09T07:00:38.859475549Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:26.752992Z"},{"id":"UBUNTU-CVE-2015-2311","description":"Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.","status":"published","published":"2017-08-09T18:29:00Z","modified":"2026-04-22T10:05:14.116914Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:10.045446Z"}]}}