{"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","summary":"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 gr…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","cwe":["CWE-789"],"product":"Starlet","affected":["Starlet < 0.33"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-11-06T16:42:04.938586Z"},"published":"2026-10-30","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:42:32.074Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115865","references":[{"url":"https://github.com/kazuho/Starlet/commit/598947ac620fd31b390335c683d79fa244770782.patch"},{"url":"https://metacpan.org/release/KAZUHO/Starlet-0.33/changes"}],"tags":["cve.org"],"epss":0.00384,"epssPercentile":0.3272,"ingestedAt":"2026-11-05T16:07:30.202Z","slug":"CVE-2026-115865","body":"## Overview\n\nStarlet 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.\n\n## Affected\n\n- `Starlet < 0.33`\n\n## Remediation\n\nUpgrade to Starlet 0.33 or later.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":235377,"id":"CVE-2026-115865","ts":1793984316037,"field":"cvss","old":null,"new":"7.5"},{"seq":235376,"id":"CVE-2026-115865","ts":1793984316037,"field":"severity","old":"none","new":"high"}]}