{"items":[{"id":"NVI-00005504","kind":"vulnerability","title":"AVideo Affected by Unauthenticated Disk Space Exhaustion via Unlimited Temp File Creation in aVideoEncoderChunk.json.php","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-vv7w-qf5c-734w","CVE-2026-33483"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-89340bcfa7f1f8c2032dc2f1b89fd785"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:37:34.590Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-89340bcfa7f1f8c2032dc2f1b89fd785"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-92a9a0c122b1538e40ab3c9befe97f31","url":"https://github.com/advisories/GHSA-vv7w-qf5c-734w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vv7w-qf5c-734w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.378Z"},{"id":"sr-89340bcfa7f1f8c2032dc2f1b89fd785","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33483","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-33483","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:22:50.140Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92a9a0c122b1538e40ab3c9befe97f31"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe `aVideoEncoderChunk.json.php` endpoint is a completely standalone PHP script with no authentication, no framework includes, and no resource limits. An unauthenticated remote attacker can send arbitrary POST data which is written to persistent temp files in `/tmp/` with no size cap, no rate limiting, and no cleanup mechanism. This allows trivial disk space exhaustion leading to denial of service of the entire server.\n\n## Details\n\nThe file `objects/aVideoEncoderChunk.json.php` (25 lines total) operates entirely outside the AVideo framework:\n\n```php\n// objects/aVideoEncoderChunk.json.php — full file\nfile = tempnam(sys_get_temp_dir(), 'YTPChunk_');  // Line 5: creates /tmp/YTPChunk_XXXXXX\n\n$putdata = fopen(\"php://input\", \"r\");              // Line 7: reads raw POST body\n$fp = fopen($obj->file, \"w\");\n\nwhile ($data = fread($putdata, 1024 * 1024)) {     // Line 12: 1MB chunks, no limit\n    fwrite($fp, $data);\n}\n\nfclose($fp);\nfclose($putdata);\nsleep(1);\n$obj->filesize = filesize($obj->file);\n\n$json = json_encode($obj);\ndie","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-11-03T17:49:21.362Z","source_updated_at":"2026-03-25T19:48:47.147Z","source_disclosed_at":"2026-03-20T20:46:50.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.378Z"},{"id":"NVI-00005504","kind":"vulnerability","title":"AVideo Affected by Unauthenticated Disk Space Exhaustion via Unlimited Temp File Creation in aVideoEncoderChunk.json.php","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vv7w-qf5c-734w","CVE-2026-33483"],"plain_summary":"OSV carries this publisher advisory for wwbn/avideo. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-92a9a0c122b1538e40ab3c9befe97f31"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-92a9a0c122b1538e40ab3c9befe97f31","url":"https://github.com/advisories/GHSA-vv7w-qf5c-734w","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vv7w-qf5c-734w","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92a9a0c122b1538e40ab3c9befe97f31"],"technology":"wwbn/avideo","known_exclusions":[],"conditions_summary":"## Summary\n\nThe `aVideoEncoderChunk.json.php` endpoint is a completely standalone PHP script with no authentication, no framework includes, and no resource limits. An unauthenticated remote attacker can send arbitrary POST data which is written to persistent temp files in `/tmp/` with no size cap, no rate limiting, and no cleanup mechanism. This allows trivial disk space exhaustion leading to denial of service of the entire server.\n\n## Details\n\nThe file `objects/aVideoEncoderChunk.json.php` (25 lines total) operates entirely outside the AVideo framework:\n\n```php\n// objects/aVideoEncoderChunk.json.php — full file\nfile = tempnam(sys_get_temp_dir(), 'YTPChunk_');  // Line 5: creates /tmp/YTPChunk_XXXXXX\n\n$putdata = fopen(\"php://input\", \"r\");              // Line 7: reads raw POST body\n$fp = fopen($obj->file, \"w\");\n\nwhile ($data = fread($putdata, 1024 * 1024)) {     // Line 12: 1MB chunks, no limit\n    fwrite($fp, $data);\n}\n\nfclose($fp);\nfclose($putdata);\nsleep(1);\n$obj->filesize = filesize($obj->file);\n\n$json = json_encode($obj);\ndie","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 26.0"]}],"null_published_at":"2026-10-31T22:13:01.467Z","source_updated_at":"2026-03-25T19:48:47.147Z","source_disclosed_at":"2026-03-20T20:46:50.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:41.378Z"}],"next_cursor":null,"snapshot_revision":"42594"}