{"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/cpes/cpe2.3alepturemistune/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":["cpe:2.3:a:lepture:mistune:*:*:*:*:*:*:*:*"],"_cs_cves":[{"cvss":7.5,"id":"CVE-2026-115348"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Mistune (3.0.0 - 3.2.x)"],"_cs_severities":["low"],"_cs_tags":["denial-of-service","vulnerability","markdown-parser"],"_cs_type":"advisory","_cs_vendors":["lepture"],"content_html":"\u003cp\u003eMistune versions 3.0.0 through 3.2.x contain an algorithmic complexity vulnerability in the \u003ccode\u003eparse_link_text\u003c/code\u003e function. The vulnerability arises from how the inline link parser handles unbalanced brackets, allowing attackers to supply crafted Markdown input with excessive '[' or '![' characters. This causes the parser to perform repeated unbounded forward scans, which can lead to CPU exhaustion and the denial of service of worker processes.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation can lead to a denial of service (DoS) by consuming CPU resources, potentially causing application-level performance degradation or service outages by exhausting available worker processes.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003eUpdate the Mistune library to version 3.3.0 or later to include the fix for CVE-2026-115348. Applications that accept user-provided Markdown input and process it using affected versions of Mistune should prioritize this patch.\u003c/p\u003e\n","date_modified":"2026-10-22T20:27:56Z","date_published":"2026-10-22T20:27:56Z","id":"https://feed.craftedsignal.io/briefs/2026-10-mistune-dos-21af0dda/","summary":"Mistune versions 3.0.0 through 3.2.x are vulnerable to an algorithmic complexity issue in the parse_link_text function, allowing unauthenticated attackers to trigger CPU exhaustion via crafted Markdown containing unbalanced brackets.","title":"Mistune: Algorithmic complexity denial of service (CVE-2026-115348)","url":"https://feed.craftedsignal.io/briefs/2026-10-mistune-dos-21af0dda/"}],"language":"en","title":"CraftedSignal Threat Feed - Cpe:2.3:a:lepture:mistune:*:*:*:*:*:*:*:*","version":"https://jsonfeed.org/version/1.1"}