{"id":"CVE-2026-56956","kind":"vulnerability","aliases":["CVE-2026-56956"],"related":[],"title":"Android media stack: heap overflow in RTP text encoder allows remote code execution","description":"In EncodeT140 of TextRtpPayloadEncoderNode.cpp, there is a possible Heap Buffer Overflow due to a logic error in the code. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A logic error in the T.140 text encoder of TextRtpPayloadEncoderNode.cpp can cause a heap buffer overflow. The sources say this could lead to remote code execution with no extra privileges and no user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","media-stack","other"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:17+00:00","first_seen_at":"2026-11-10T20:46:08+00:00","triaged_at":"2026-11-10T20:52:16+00:00","updated_at":"2026-11-10T20:52:16+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T20:52:16Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Android media stack: heap overflow in RTP text encoder allows remote code execution","impact":"high","summary":"A logic error in the T.140 text encoder of TextRtpPayloadEncoderNode.cpp can cause a heap buffer overflow. The sources say this could lead to remote code execution with no extra privileges and no user interaction.","audience":"everyone","category":"other","nicknames":[],"who_cares":["android","media-stack"],"confidence":0.4,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Remote code runs with no extra privileges on the device","analyst_note":"Confirm the affected product and patch level from the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-56956 and the vendor bulletin, then fill in fix and how_to_check.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000649,"input_tokens":4553,"output_tokens":388,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':15A,18A '-56956':16A,19A 'addit':86C 'allow':10A 'android':1A,20B 'buffer':38B,67C 'caus':35B 'code':12A,48B,76C,82C 'could':44B,78C 'cve':14A,17A 'due':69C 'encod':9A,31B 'encodet140':59C 'error':26B,73C 'execut':13A,49B,83C,87C 'exploit':96C 'extra':52B 'heap':4A,37B,66C 'interact':57B,91C 'lead':45B,79C 'logic':25B,72C 'media':2A,22B 'media-stack':21B 'need':89C,94C 'overflow':5A,39B,68C 'possibl':65C 'privileg':53B,88C 'remot':11A,47B,81C 'rtp':7A 'say':42B 'sourc':41B 'stack':3A,23B 't.140':29B 'text':8A,30B 'textrtppayloadencodernode.cpp':33B,61C 'user':56B,90C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","mediastack","other","unknown"],"campaign_type":null,"search_a":"'-2026':15A,18A '-56956':16A,19A 'allow':10A 'android':1A 'code':12A 'cve':14A,17A 'encod':9A 'execut':13A 'heap':4A 'media':2A 'overflow':5A 'remot':11A 'rtp':7A 'stack':3A 'text':8A","search_b":"'android':20B 'buffer':38B 'caus':35B 'code':48B 'could':44B 'encod':31B 'error':26B 'execut':49B 'extra':52B 'heap':37B 'interact':57B 'lead':45B 'logic':25B 'media':22B 'media-stack':21B 'overflow':39B 'privileg':53B 'remot':47B 'say':42B 'sourc':41B 'stack':23B 't.140':29B 'text':30B 'textrtppayloadencodernode.cpp':33B 'user':56B","search_c":"'addit':86C 'buffer':67C 'code':76C,82C 'could':78C 'due':69C 'encodet140':59C 'error':73C 'execut':83C,87C 'exploit':96C 'heap':66C 'interact':91C 'lead':79C 'logic':72C 'need':89C,94C 'overflow':68C 'possibl':65C 'privileg':88C 'remot':81C 'textrtppayloadencodernode.cpp':61C 'user':90C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:17+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-56956","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56956","severity":null,"published_at":"2026-11-10T20:19:17+00:00","modified_at":"2026-11-10T20:19:17+00:00","first_seen_at":"2026-11-10T20:46:08+00:00","fetched_at":"2026-11-10T20:46:08+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}