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    "cveMetadata": {
        "cveId": "CVE-2026-54426",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-06-14T07:05:33.297Z",
        "datePublished": "2026-10-21T11:32:19.591Z",
        "dateUpdated": "2026-10-21T11:32:19.591Z"
    },
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                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2026-10-21T11:32:19.591Z"
            },
            "title": "Apache bRPC: Stack Exhaustion via Unbounded Recursion in Redis Reply Parser",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "CWE-674 Uncontrolled Recursion",
                            "lang": "en",
                            "cweId": "CWE-674",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache bRPC",
                    "packageURL": "pkg:github/apache/brpc",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "1.18.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "collectionURL": "https://github.com",
                    "packageName": "apache/brpc"
                }
            ],
            "descriptions": [
                {
                    "value": "Uncontrolled recursion in the Redis reply parser in Apache bRPC < 1.18.0 allows a remote Redis server peer to crash a bRPC Redis client process by returning a deeply nested RESP array reply. The parser recursed once for each nested array level without enforcing a depth limit. The fix adds a configurable Redis reply depth limit with default value 128 and rejects replies exceeding that limit. \n\nAffected Scenarios:\nApplications using bRPC as a Redis client with ChannelOptions.protocol=\"redis\" and receiving replies from an untrusted or faulty Redis server peer.\n\nHow to Fix:\n1. Upgrade Apache bRPC to 1.18.0.\n2. Apply the patch from PR  https://github.com/apache/brpc/pull/3344 .\n\nNote:\nAfter applying the fix, Redis replies with array nesting deeper than redis_max_reply_depth are rejected.",
                    "lang": "en",
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                            "value": "Uncontrolled recursion in the Redis reply parser in Apache bRPC &lt; 1.18.0 allows a remote Redis server peer to crash a bRPC Redis client process by returning a deeply nested RESP array reply. The parser recursed once for each nested array level without enforcing a depth limit. The fix adds a configurable Redis reply depth limit with default value 128 and rejects replies exceeding that limit.&nbsp;<br><br>Affected Scenarios:<br>Applications using bRPC as a Redis client with ChannelOptions.protocol=\"redis\" and receiving replies from an untrusted or faulty Redis server peer.<br><br>How to Fix:<br>1. Upgrade Apache bRPC to 1.18.0.<br>2. Apply the patch from PR <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/pull/3344\">https://github.com/apache/brpc/pull/3344</a>.<br><br>Note:<br>After applying the fix, Redis replies with array nesting deeper than redis_max_reply_depth are rejected."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://lists.apache.org/thread/2pf15ojj0vr7rtx95677kgtl1mx3gdgb",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
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                    "other": {
                        "type": "Textual description of severity",
                        "content": {
                            "text": "high"
                        }
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Nikko Enggaliano Pratama (nikkoenggaliano@gmail.com) on Github",
                    "type": "finder"
                }
            ],
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                "engine": "Vulnogram 0.2.0"
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