{"id":"CVE-2026-104593","kind":"vulnerability","aliases":["CVE-2026-104593"],"related":[],"title":"osmo-msc: stack buffer overflow in SGs interface lets remote attackers crash it","description":"osmo-msc through 1.15.0 contains a stack-based buffer overflow in decode_mme_name() in src/libmsc/sgs_iface.c. This allows a remote attacker to cause a denial of service.","summary":"osmo-msc through version 1.15.0 has a stack-based buffer overflow in decode_mme_name() in the SGs interface code. A remote attacker can trigger it to cause a denial of service.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["osmo-msc","other","self-hosted","telecom"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-26T19:16:28+00:00","first_seen_at":"2026-10-26T19:32:06+00:00","triaged_at":"2026-10-26T19:34:03+00:00","updated_at":"2026-10-26T19:34:03+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-10-26T19:34:03Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"osmo-msc: stack buffer overflow in SGs interface lets remote attackers crash it","impact":"low","summary":"osmo-msc through version 1.15.0 has a stack-based buffer overflow in decode_mme_name() in the SGs interface code. A remote attacker can trigger it to cause a denial of service.","category":"other","nicknames":[],"who_cares":["osmo-msc","telecom","self-hosted"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Remote crash of the MSC process, denial of service","analyst_note":"Check the NVD entry and the osmo-msc upstream repository for the fixed version and whether the SGs interface must be enabled to be reachable.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000501,"input_tokens":3295,"output_tokens":344,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-104593':16A,19A '-2026':15A,18A '1.15.0':33B,66C 'allow':81C 'attack':12A,52B,84C 'base':38B,71C 'buffer':5A,39B,72C 'caus':57B,86C 'code':49B 'contain':67C 'crash':13A 'cve':14A,17A 'decod':42B,75C 'denial':59B,88C 'host':26B 'interfac':9A,48B 'let':10A 'mme':43B,76C 'msc':3A,22B,30B,64C 'name':44B,77C 'osmo':2A,21B,29B,63C 'osmo-msc':1A,20B,28B,62C 'overflow':6A,40B,73C 'remot':11A,51B,83C 'self':25B 'self-host':24B 'servic':61B,90C 'sgs':8A,47B 'src/libmsc/sgs_iface.c':79C 'stack':4A,37B,70C 'stack-bas':36B,69C 'telecom':27B 'trigger':54B 'version':32B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T19:16:28+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-104593","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104593","severity":null,"published_at":"2026-10-26T19:16:28+00:00","modified_at":"2026-10-26T19:16:28+00:00","first_seen_at":"2026-10-26T19:32:06+00:00","fetched_at":"2026-10-26T19:32:06+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"}