{"id":"CVE-2026-58868","kind":"vulnerability","aliases":["CVE-2026-58868"],"related":[],"title":"Heap buffer overflow in FrameDecoder lets remote code run","description":"In onOutputReceived of FrameDecoder.cpp, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A heap buffer overflow in the onOutputReceived function of FrameDecoder.cpp allows an out-of-bounds write. According to the description, an attacker could use it for remote code execution without extra privileges or user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["other","unknown"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:49+00:00","first_seen_at":"2026-11-02T20:35:32+00:00","triaged_at":"2026-11-02T20:38:57+00:00","updated_at":"2026-11-02T20:38:57+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-02T20:38:57Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Heap buffer overflow in FrameDecoder lets remote code run","impact":"high","summary":"A heap buffer overflow in the onOutputReceived function of FrameDecoder.cpp allows an out-of-bounds write. According to the description, an attacker could use it for remote code execution without extra privileges or user interaction.","audience":"businesses","category":"other","nicknames":[],"who_cares":["unknown"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Remote code execution with no extra privileges needed","analyst_note":"Identify the affected product and vendor from the NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-58868) and find the fixed versions and any checks.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000596,"input_tokens":4107,"output_tokens":370,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':11A,14A '-58868':12A,15A 'accord':35B 'addit':82C 'allow':28B 'attack':40B 'bound':33B,65C 'buffer':2A,20B,71C 'code':8A,46B,78C 'could':41B,74C 'cve':10A,13A 'descript':38B 'due':67C 'execut':47B,79C,83C 'exploit':92C 'extra':49B 'framedecod':5A 'framedecoder.cpp':27B,57C 'function':25B 'heap':1A,19B,70C 'interact':53B,87C 'lead':75C 'let':6A 'need':85C,90C 'onoutputreceiv':24B,55C 'out-of-bound':30B,62C 'overflow':3A,21B,72C 'possibl':61C 'privileg':50B,84C 'remot':7A,45B,77C 'run':9A 'unknown':17B 'use':42B 'user':52B,86C 'without':48B 'write':34B,66C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["other","unknown"],"first_public_at":"2026-11-02T20:17:49+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-58868","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58868","severity":null,"published_at":"2026-11-02T20:17:49+00:00","modified_at":"2026-11-02T20:17:49+00:00","first_seen_at":"2026-11-02T20:35:32+00:00","fetched_at":"2026-11-02T20:35:32+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}