{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-67733", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-12-11T00:45:45.790Z", "datePublished": "2026-02-23T19:39:29.136Z", "dateUpdated": "2026-02-23T19:39:29.136Z"}, "containers": {"cna": {"title": "Valkey Affected by RESP Protocol Injection via Lua error_reply", "problemTypes": [{"descriptions": [{"cweId": "CWE-74", "lang": "en", "description": "CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m"}], "affected": [{"vendor": "valkey-io", "product": "valkey", "versions": [{"version": "< 7.2.12", "status": "affected"}, {"version": ">= 8.0.0, < 8.0.7", "status": "affected"}, {"version": ">= 8.1.0, < 8.1.6", "status": "affected"}, {"version": ">= 9.0.0, < 9.0.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-23T19:39:29.136Z"}, "descriptions": [{"lang": "en", "value": "Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampered data to other users on the same connection. The error handling code for lua scripts does not properly handle null characters. Versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12 fix the issue."}], "source": {"advisory": "GHSA-p876-p7q5-hv2m", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user can use scripting commands to inject arbitrary information into the response stream for the given client, potentially corrupting or returning tampered data to other users on the same connection. The error handling code for lua scripts does not properly handle null characters. Versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12 fix the issue."}], "id": "CVE-2025-67733", "lastModified": "2026-02-23T20:28:53.280", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-23T20:28:53.280", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "Valkey: Valkey: Data tampering and denial of service via improper null character handling in Lua scripts", "id": "2442025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442025"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-170", "details": ["A flaw was found in Valkey, a distributed key-value database. A malicious user can exploit this vulnerability by using scripting commands to inject arbitrary information into the response stream. This is caused by improper handling of null characters in the error handling code for Lua scripts. Successful exploitation could lead to corrupting or returning tampered data to other users on the same connection, impacting data integrity and availability."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2025-67733", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "valkey", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "valkey", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-02-23T19:39:29Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-67733\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-67733\nhttps://github.com/valkey-io/valkey/security/advisories/GHSA-p876-p7q5-hv2m"], "statement": "This is an IMPORTANT flaw in Valkey, a distributed key-value database, where a malicious user can inject arbitrary data into the response stream via Lua scripting commands. This could lead to data corruption or tampering for other clients sharing the same connection. Exploitation requires the ability to execute scripting commands within Valkey.", "threat_severity": "Important"}