{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57277","assignerOrgId":"0df08a0e-a200-4957-9bb0-084f562506f9","state":"PUBLISHED","assignerShortName":"GV","dateReserved":"2026-06-24T05:48:05.704Z","datePublished":"2026-07-02T02:25:34.916Z","dateUpdated":"2026-07-02T12:34:29.480Z"},"containers":{"cna":{"providerMetadata":{"orgId":"0df08a0e-a200-4957-9bb0-084f562506f9","shortName":"GV","dateUpdated":"2026-07-02T02:25:34.916Z"},"title":"GeoVision GeoWebPlayer Websocket Server connectInfo handler stack-based buffer overflow vulnerability","datePublic":"2026-06-24T00:39:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-120","description":"CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"affected":[{"vendor":"GeoVision Inc.","product":"GeoWebPlayer","platforms":["Windows","64 bit"],"packageName":"GeoWebPlayer","versions":[{"status":"affected","version":"V1.1.1.0"},{"status":"unaffected","version":"V1.1.3.0"}],"defaultStatus":"unaffected"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:windows:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.1.0:*:64_bit:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.3.0:*:windows:*:*:*:*:*"},{"vulnerable":false,"criteria":"cpe:2.3:a:geovision_inc.:geowebplayer:v1.1.3.0:*:64_bit:*:*:*:*:*"}]}]}],"descriptions":[{"lang":"en","value":"GeoWebPlayer (also called \"Web Plugin\" in the GV-VMS documentation and \"WS Player\" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly.\n\nThe Websocket server can accept various commands coming from localhost. One of them, `connectionInfo` is meant to provide the necessary details to connect to a camera. The handler associated with this command that we call`handle_connection_info` contains multiple instances of string copy that can overflow. The function `handle_connect_info` copies attacker-controlled JSON strings into fixed-size buffers using manual byte-by-byte loops that do not enforce length limits.\n\n\n\n\n#### Buffer Overflow in key field","supportingMedia":[{"type":"text/html","base64":false,"value":"<div><div>GeoWebPlayer (also called \"Web Plugin\" in the GV-VMS documentation and \"WS Player\" for VMS-Cloud) is an addon that can be installed with various GeoVision software (GV-VMS, GV-Cloud, ...). It creates a websocket server that expands the capabilities of the various web-interfaces provided by the GeoVision software and may be necessary for them to function properly.<br><br>The Websocket server can accept various commands coming from localhost. One of them, `connectionInfo` is meant to provide the necessary details to connect to a camera. The handler associated with this command that we call`handle_connection_info` contains multiple instances of string copy that can overflow. The function `handle_connect_info` copies attacker-controlled JSON strings into fixed-size buffers using manual byte-by-byte loops that do not enforce length limits.<br></div></div><div>#### Buffer Overflow in key field<br><br></div>"}]}],"references":[{"url":"https://www.geovision.com.tw/cyber_security.php","tags":["vendor-advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2375","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.3,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H"}}],"solutions":[{"lang":"en","value":"The vulnerability has been patched with GeoWebPlayer V1.1.3.0","supportingMedia":[{"type":"text/html","base64":false,"value":"The vulnerability has been patched with GeoWebPlayer V1.1.3.0&nbsp;"}]}],"credits":[{"lang":"en","value":"Philippe Laulheret of Cisco Talos","type":"finder"},{"lang":"en","value":"Kelly Patterson of Cisco Talos","type":"remediation reviewer"},{"lang":"en","value":"Robert Sherwin of Cisco Talos","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-02T12:34:21.242964Z","id":"CVE-2026-57277","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-02T12:34:29.480Z"}}]}}