{"items":[{"id":"NVI-00013858","kind":"vulnerability","title":"RabbitMQ amqp091-go: Protocol Desynchronization and Frame Injection via Integer Overflow in readLongstr","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c5pq-fr2g-9jpf","CVE-2026-77411"],"plain_summary":"GitHub lists this reviewed advisory for github.com/rabbitmq/amqp091-go. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","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-166cb29987e990f1427c7c37a490853c"],"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":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.524%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.44421. Missing scores are unknown.","source_id":"sr-166cb29987e990f1427c7c37a490853c"}],"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-11517f1fd8960627fce277a0da2eaef0","url":"https://github.com/advisories/GHSA-c5pq-fr2g-9jpf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-c5pq-fr2g-9jpf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T19:09:30.244Z"},{"id":"sr-166cb29987e990f1427c7c37a490853c","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77411","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.862Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-11517f1fd8960627fce277a0da2eaef0"],"technology":"github.com/rabbitmq/amqp091-go","known_exclusions":[],"conditions_summary":"**Summary**\n\nA critical stream desynchronization vulnerability has been identified in the AMQP wire-protocol parser. When parsing a long string (`readLongstr`) within a table field, providing a length that exceeds the maximum signed 32-bit integer (`2^31 - 1`, or roughly `2.1` GiB) triggers an improper error-handling condition. The parser abruptly aborts the read and returns a success status (`\"\",nil`) without consuming the specified bytes from the underlying network buffer. This causes all subsequent read operations to become misaligned. The parser interprets arbitrary offsets within the remaining payload bytes as valid AMQP frame headers, leading to potential Remote Code Execution (RCE), data injection, or complete connection hijacking.\n\n**Vulnerability Details**\n\nThe vulnerability exists within the bounds-checking logic of the readLongstr function:\n```go\n// read.go:113-114 — silent no-op return, bytes left in stream\nif length > (^uint32(0) >> 1) {\n    return  // returns \"\", nil, does NOT consume `length` bytes\n}\n```\nWhen `length` evaluates to a value greater than `0x7FFFFFFF`:\n\n1. The function executes a silent `return` statement.\n2. Because Go utilizes named or zero-value initi","public_affected_ranges":["< 1.13.0"]}],"null_published_at":"2026-11-04T10:04:47.627Z","source_updated_at":"2026-09-17T17:04:26.000Z","source_disclosed_at":"2026-09-17T17:04:25.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T19:09:30.244Z"},{"id":"NVI-00013858","kind":"vulnerability","title":"RabbitMQ amqp091-go: Protocol Desynchronization and Frame Injection via Integer Overflow in readLongstr","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-c5pq-fr2g-9jpf","CVE-2026-77411"],"plain_summary":"GitHub lists this reviewed advisory for github.com/rabbitmq/amqp091-go. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","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-11517f1fd8960627fce277a0da2eaef0"],"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-11517f1fd8960627fce277a0da2eaef0","url":"https://github.com/advisories/GHSA-c5pq-fr2g-9jpf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-c5pq-fr2g-9jpf","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T19:09:30.244Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-11517f1fd8960627fce277a0da2eaef0"],"technology":"github.com/rabbitmq/amqp091-go","known_exclusions":[],"conditions_summary":"**Summary**\n\nA critical stream desynchronization vulnerability has been identified in the AMQP wire-protocol parser. When parsing a long string (`readLongstr`) within a table field, providing a length that exceeds the maximum signed 32-bit integer (`2^31 - 1`, or roughly `2.1` GiB) triggers an improper error-handling condition. The parser abruptly aborts the read and returns a success status (`\"\",nil`) without consuming the specified bytes from the underlying network buffer. This causes all subsequent read operations to become misaligned. The parser interprets arbitrary offsets within the remaining payload bytes as valid AMQP frame headers, leading to potential Remote Code Execution (RCE), data injection, or complete connection hijacking.\n\n**Vulnerability Details**\n\nThe vulnerability exists within the bounds-checking logic of the readLongstr function:\n```go\n// read.go:113-114 — silent no-op return, bytes left in stream\nif length > (^uint32(0) >> 1) {\n    return  // returns \"\", nil, does NOT consume `length` bytes\n}\n```\nWhen `length` evaluates to a value greater than `0x7FFFFFFF`:\n\n1. The function executes a silent `return` statement.\n2. Because Go utilizes named or zero-value initi","public_affected_ranges":["< 1.13.0"]}],"null_published_at":"2026-11-02T10:00:37.161Z","source_updated_at":"2026-09-17T17:04:26.000Z","source_disclosed_at":"2026-09-17T17:04:25.000Z","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":"2026-11-01T19:09:30.244Z"}],"next_cursor":null,"snapshot_revision":"42594"}