{"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/products/node-fontnik--0.7.7--0.7.7/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":[{"cvss":8.1,"id":"CVE-2026-63660"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["node-fontnik \u003c 0.7.7 (\u003c 0.7.7)"],"_cs_severities":["medium"],"_cs_tags":[],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003enode-fontnik is a library that delivers a range of glyphs rendered as SDFs. A vulnerability exists in the RenderSDF function where the allocation size for the SDF bitmap is computed using a 32-bit unsigned integer. An attacker can provide a crafted font to cause an integer overflow, resulting in an under-allocated heap buffer. This triggers a heap out-of-bounds write during the render loop, which crashes the process.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation results in process crashes and heap corruption.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003eUpgrade the node-fontnik library to version 0.7.7 or later.\u003c/p\u003e\n","date_modified":"2026-11-11T20:06:10Z","date_published":"2026-11-11T20:06:10Z","id":"https://feed.craftedsignal.io/briefs/2026-11-node-fontnik-heap-overflow-cve-2026-63660/","summary":"The node-fontnik library is vulnerable to a heap out-of-bounds write due to an integer overflow during SDF bitmap allocation, which can lead to process crashes.","title":"Heap-based buffer overflow in node-fontnik (CVE-2026-63660)","url":"https://feed.craftedsignal.io/briefs/2026-11-node-fontnik-heap-overflow-cve-2026-63660/"}],"language":"en","title":"CraftedSignal Threat Feed - Node-Fontnik \u003c 0.7.7 (\u003c 0.7.7)","version":"https://jsonfeed.org/version/1.1"}