{"id":"CVE-2026-115865","aliases":["DEBIAN-CVE-2026-115865","EUVD-2026-113906","GHSA-xfc8-r6h3-qmmm","UBUNTU-CVE-2026-115865"],"status":"published","title":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","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":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00384,"percentile":0.32967,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-789"],"published":"2026-10-30T12:44:06Z","modified":"2026-11-06T16:42:32Z","fixes":[{"ecosystem":"Debian:14","package":"starlet","fixed_in":["0.33-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-2","0.31-3","0.32-1","0.33-1"]},{"source":"osv","ecosystem":"Debian:13","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-2","0.31-2+deb13u1","0.31-3","0.32-1","0.33-1"]},{"source":"osv","ecosystem":"Debian:14","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.33-1"}]}],"versions":["0.31-2","0.31-3","0.32-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.25-1","0.26-1","0.28-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-2build1","0.31-3","0.32-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"starlet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.31-2","0.31-2build1"]}],"references":[{"url":"https://github.com/kazuho/Starlet/commit/598947ac620fd31b390335c683d79fa244770782.patch","tags":["patch","fix","report"]},{"url":"https://metacpan.org/release/KAZUHO/Starlet-0.33/changes","tags":["release-notes","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115865","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xfc8-r6h3-qmmm"},{"url":"https://cpan.org/modules","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115865.json","tags":["advisory"]},{"url":"https://github.com/kazuho/Starlet","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-115865","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-115865","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-115865","tags":["report"]},{"url":"https://lists.security.metacpan.org/cve-announce/msg/44760439/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-115865","title":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T12:44:06.034Z","modified":"2026-11-06T16:42:32.074Z","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":"adp"}],"cwes":["CWE-789"],"updated_at":"2026-11-06T17:28:52.192546Z"}],"euvd":[{"id":"EUVD-2026-113906","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T12:44:06Z","modified":"2026-11-06T16:42:32Z","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":"2026-11-06T18:05:41.778974Z"}],"ghsa":[{"id":"GHSA-xfc8-r6h3-qmmm","title":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a...","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T15:34:30Z","modified":"2026-11-06T18:36:03Z","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-789"],"updated_at":"2026-11-06T19:01:27.658277Z"}],"nvd":[{"id":"CVE-2026-115865","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T13:18:30.947Z","modified":"2026-11-06T17:17:13.79Z","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":"secondary"}],"cwes":["CWE-789"],"updated_at":"2026-11-06T20:01:15.785017Z"}],"osv":[{"id":"CVE-2026-115865","title":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.\n\nThe request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.\n\nA remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T12:44:06.034Z","modified":"2026-11-08T02:30:23.018849393Z","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-789"],"updated_at":"2026-11-07T03:08:00.941926Z"},{"id":"DEBIAN-CVE-2026-115865","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory.  The request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called.  A remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T13:18:30.947Z","modified":"2026-11-07T10:00:17.711081915Z","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":"2026-11-07T10:14:19.880839Z"},{"id":"UBUNTU-CVE-2026-115865","description":"Starlet versions before 0.33 for Perl allow a request declaring a large Content-Length to kill a worker by exhausting memory. The request body is read in a loop that asks sysread for all of the remaining declared length at once. Perl grows the read buffer to that size before any data arrives, so a length larger than available memory makes the worker exit with an uncatchable out of memory error before the application is called. A remote attacker can force a worker restart with each request of a few bytes.","status":"published","published":"2026-10-30T13:18:00Z","modified":"2026-11-09T12:49:26.52910095Z","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":"2026-11-09T13:27:42.046613Z"}]}}