{"id":"CVE-2018-15756","aliases":["CLSA-2026-1777509606","CLSA-2026-1785380133","CLSA-2026-1785380498","CLSA-2026-1785814744","CLSA-2026-1791107509","CLSA-2026-1791289094","CLSA-2026-1791463819","DEBIAN-CVE-2018-15756","DLA-2635-1","EUVD-2020-0486","GHSA-ffvq-7w96-97p7","UBUNTU-CVE-2018-15756"],"status":"published","title":"DoS Attack via Range Requests","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.08797,"percentile":0.95213,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2018-10-18T22:00:00Z","modified":"2026-11-02T19:46:26Z","fixes":[{"ecosystem":"Maven","package":"org.springframework:spring-core","fixed_in":["5.1.1.RELEASE","5.0.10.RELEASE","4.3.20.RELEASE"],"sources":["ghsa","osv"]},{"ecosystem":"Debian:12","package":"libspring-java","fixed_in":["4.3.21-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"libspring-java","fixed_in":["4.3.21-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"libspring-java","fixed_in":["4.3.21-1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0.RELEASE"},{"fixed":"5.1.1.RELEASE"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0.RELEASE"},{"fixed":"5.0.10.RELEASE"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.0.RELEASE"},{"fixed":"4.3.20.RELEASE"}]}]},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-context","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.9.RELEASE"},{"fixed":"4.2.9.RELEASE-tuxcare.1"}]}],"versions":["4.2.9.RELEASE"],"bundled":8},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.9.RELEASE"},{"fixed":"4.2.9.RELEASE-tuxcare.1"}]}],"versions":["4.2.9.RELEASE"],"bundled":8},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-expression","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.9.RELEASE"},{"fixed":"4.2.9.RELEASE-tuxcare.1"}]}],"versions":["4.2.9.RELEASE"],"bundled":8},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-messaging","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2.9.RELEASE"},{"fixed":"4.2.9.RELEASE-tuxcare.1"}]}],"versions":["4.2.9.RELEASE"],"bundled":8},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-beans","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.4.RELEASE"},{"fixed":"4.3.4.RELEASE-tuxcare.2"}]}],"versions":["4.3.4.RELEASE","4.3.4.RELEASE-tuxcare.1"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.4.RELEASE"},{"fixed":"4.3.4.RELEASE-tuxcare.2"}]}],"versions":["4.3.4.RELEASE","4.3.4.RELEASE-tuxcare.1"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-expression","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.4.RELEASE"},{"fixed":"4.3.4.RELEASE-tuxcare.2"}]}],"versions":["4.3.4.RELEASE","4.3.4.RELEASE-tuxcare.1"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.4.RELEASE"},{"fixed":"4.3.4.RELEASE-tuxcare.2"}]}],"versions":["4.3.4.RELEASE","4.3.4.RELEASE-tuxcare.1"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-webmvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.4.RELEASE"},{"fixed":"4.3.4.RELEASE-tuxcare.2"}]}],"versions":["4.3.4.RELEASE","4.3.4.RELEASE-tuxcare.1"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-beans","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.9.RELEASE"},{"fixed":"4.3.9.RELEASE-tuxcare.2"}]}],"versions":["4.3.9.RELEASE","4.3.9.RELEASE-tuxcare.1"],"bundled":6},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.9.RELEASE"},{"fixed":"4.3.9.RELEASE-tuxcare.2"}]}],"versions":["4.3.9.RELEASE","4.3.9.RELEASE-tuxcare.1"],"bundled":6},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-expression","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.9.RELEASE"},{"fixed":"4.3.9.RELEASE-tuxcare.2"}]}],"versions":["4.3.9.RELEASE","4.3.9.RELEASE-tuxcare.1"],"bundled":6},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.9.RELEASE"},{"fixed":"4.3.9.RELEASE-tuxcare.2"}]}],"versions":["4.3.9.RELEASE","4.3.9.RELEASE-tuxcare.1"],"bundled":6},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework:spring-webmvc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.3.9.RELEASE"},{"fixed":"4.3.9.RELEASE-tuxcare.2"}]}],"vers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Attack via Range Requests","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:00:00Z","modified":"2026-10-08T21:24:19.361Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:03.825765Z"}],"euvd":[{"id":"EUVD-2020-0486","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:00:00Z","modified":"2026-10-08T21:24:19Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:25.942984Z"}],"ghsa":[{"id":"GHSA-ffvq-7w96-97p7","title":"Denial of Service in Spring Framework","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2020-06-15T19:34:50Z","modified":"2024-06-05T17:09:53Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:37:53.703286Z"}],"nvd":[{"id":"CVE-2018-15756","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:29:00.443Z","modified":"2026-10-08T22:16:45.36Z","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":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:46.409324Z"}],"osv":[{"id":"CVE-2018-15756","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:29:00.443Z","modified":"2026-10-24T10:30:26.607463231Z","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":"2026-11-02T15:44:08.242347Z"},{"id":"DEBIAN-CVE-2018-15756","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:29:00.443Z","modified":"2026-10-09T09:47:34.543468248Z","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":"2026-11-02T15:45:30.290351Z"},{"id":"GHSA-ffvq-7w96-97p7","title":"Denial of Service in Spring Framework","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2020-06-15T19:34:50Z","modified":"2024-12-01T05:32:48.897892Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:46:46.39441Z"},{"id":"UBUNTU-CVE-2018-15756","description":"Spring Framework, version 5.1, versions 5.0.x prior to 5.0.10, versions 4.3.x prior to 4.3.20, and older unsupported versions on the 4.2.x branch provide support for range requests when serving static resources through the ResourceHttpRequestHandler, or starting in 5.0 when an annotated controller returns an org.springframework.core.io.Resource. A malicious user (or attacker) can add a range header with a high number of ranges, or with wide ranges that overlap, or both, for a denial of service attack. This vulnerability affects applications that depend on either spring-webmvc or spring-webflux. Such applications must also have a registration for serving static resources (e.g. JS, CSS, images, and others), or have an annotated controller that returns an org.springframework.core.io.Resource. Spring Boot applications that depend on spring-boot-starter-web or spring-boot-starter-webflux are ready to serve static resources out of the box and are therefore vulnerable.","status":"published","published":"2018-10-18T22:29:00Z","modified":"2025-09-08T16:45:00Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"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":"2026-11-02T15:54:17.014176Z"},{"id":"CLSA-2026-1777509606","title":"TuxCare security update for org.springframework (8 CVEs)","description":"TuxCare rebuilt 4 org.springframework packages to address 8 CVEs. Fixed in 4.2.9.RELEASE-tuxcare.1.","status":"published","published":"2026-08-04T14:52:29Z","modified":"2026-11-02T19:45:28.07523245Z","updated_at":"2026-11-02T20:30:40.499236Z"},{"id":"CLSA-2026-1785380133","title":"TuxCare security update for org.springframework (5 CVEs)","description":"TuxCare rebuilt 5 org.springframework packages to address 5 CVEs. Fixed in 4.3.4.RELEASE-tuxcare.2.","status":"published","published":"2026-08-04T14:52:50Z","modified":"2026-11-02T19:45:47.859091627Z","updated_at":"2026-11-02T20:30:00.884471Z"},{"id":"CLSA-2026-1785380498","title":"TuxCare security update for org.springframework (6 CVEs)","description":"TuxCare rebuilt 5 org.springframework packages to address 6 CVEs. Fixed in 4.3.9.RELEASE-tuxcare.2.","status":"published","published":"2026-08-04T14:52:50Z","modified":"2026-11-02T19:45:48.296732908Z","updated_at":"2026-11-02T20:30:00.884471Z"},{"id":"CLSA-2026-1785814744","title":"TuxCare security update for org.springframework (9 CVEs)","description":"TuxCare rebuilt 7 org.springframework packages to address 9 CVEs. Fixed in 5.0.5.RELEASE-tuxcare.2.","status":"published","published":"2026-08-04T14:52:51Z","modified":"2026-11-02T19:45:48.950547253Z","updated_at":"2026-11-02T20:30:00.884471Z"},{"id":"CLSA-2026-1791107509","title":"TuxCare security update for org.springframework (35 CVEs)","description":"TuxCare rebuilt 10 org.springframework packages to address 35 CVEs. Fixed in 5.0.0.RELEASE-tuxcare.1.","status":"published","published":"2026-10-04T09:51:49Z","modified":"2026-11-02T19:46:26.18760799Z","updated_at":"2026-11-02T20:29:22.637147Z"},{"id":"CLSA-2026-1791289094","title":"TuxCare security update for org.springframework (31 CVEs)","description":"TuxCare rebuilt 9 org.springframework packages to address 31 CVEs. Fixed in 4.3.16.RELEASE-tuxcare.1.","status":"published","published":"2026-10-06T12:18:14Z","modified":"2026-11-02T19:46:26.292239404Z","updated_at":"2026-11-02T20:29:17.805906Z"},{"id":"CLSA-2026-1791463819","title":"TuxCare security update for org.springframework (35 CVEs)","description":"TuxCare rebuilt 10 org.springframework packages to address 35 CVEs. Fixed in 4.3.5.RELEASE-tuxcare.1.","status":"published","published":"2026-10-08T12:50:19Z","modified":"2026-11-02T19:46:26.263015095Z","updated_at":"2026-11-02T20:29:17.805906Z"},{"id":"DLA-2635-1","title":"libspring-java - security update","status":"published","published":"2021-04-23T00:00:00Z","modified":"2026-03-09T01:22:47.023958Z","updated_at":"2026-11-02T15:46:10.712745Z"}]}}