{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-115865/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"id":"CVE-2026-115865"},{"id":"CVE-2026-115866"},{"id":"CVE-2026-116127"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Starlet (\u003c 0.33)"],"_cs_severities":["medium"],"_cs_tags":["denial-of-service","web-server","perl","cve-2026-115865","cve-2026-115866","cve-2026-116127"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eStarlet versions before 0.33 are affected by multiple vulnerabilities that can result in service disruption. CVE-2026-115865 allows for worker process memory exhaustion via specially crafted Content-Length headers. CVE-2026-115866 permits CPU exhaustion through regular expression backtracking during the decoding of chunked request bodies. Additionally, CVE-2026-116127 causes protocol corruption by incorrectly including bodies in responses to HEAD requests, which may affect subsequent request processing on persistent connections.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities can lead to a denial of service (DoS) for the application hosting Starlet. Improper response handling for HEAD requests may lead to data corruption or desynchronization issues in proxy or load balancing environments.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade Starlet to version 0.33 or later immediately.\u003c/li\u003e\n\u003cli\u003eAudit existing infrastructure to identify instances of Starlet used in Perl-based web services.\u003c/li\u003e\n\u003cli\u003eImplement request header size limits and body processing timeouts at the web server or load balancer layer as a temporary mitigation until services can be patched.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-10-31T09:42:57Z","date_published":"2026-10-31T09:42:57Z","id":"https://feed.craftedsignal.io/briefs/2026-10-starlet-perl-vulnerabilities/","summary":"Starlet Perl server versions before 0.33 are vulnerable to memory and CPU exhaustion attacks, alongside response protocol corruption, caused by improper handling of HTTP requests.","title":"Starlet: Multiple vulnerabilities leading to denial of service (CVE-2026-115865, CVE-2026-115866, CVE-2026-116127)","url":"https://feed.craftedsignal.io/briefs/2026-10-starlet-perl-vulnerabilities/"}],"language":"en","title":"CraftedSignal Threat Feed - Cve-2026-115865","version":"https://jsonfeed.org/version/1.1"}