{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-1218", "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "state": "PUBLISHED", "assignerShortName": "php", "dateReserved": "2025-02-11T04:49:52.603Z", "datePublished": "2026-09-25T20:48:21.777Z", "dateUpdated": "2026-09-25T20:48:21.777Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "shortName": "php", "dateUpdated": "2026-09-25T20:48:21.777Z"}, "title": "Various packet overreads in mysqlnd_writeprotocol.c", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-122", "description": "CWE-122 Heap-based buffer overflow", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-100", "descriptions": [{"lang": "en", "value": "CAPEC-100 Overflow Buffers"}]}], "affected": [{"vendor": "PHP Group", "product": "PHP", "packageName": "ext-mysqlnd", "versions": [{"status": "affected", "version": "8.2.*", "lessThan": "8.2.34", "versionType": "semver"}, {"status": "affected", "version": "8.3.*", "lessThan": "8.3.35", "versionType": "semver"}, {"status": "affected", "version": "8.4.*", "lessThan": "8.4.26", "versionType": "semver"}, {"status": "affected", "version": "8.5.*", "lessThan": "8.5.11", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process.</p>"}]}], "references": [{"url": "https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "LOW", "baseScore": 3.4, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N"}}], "credits": [{"lang": "en", "value": "Nora Dossche", "type": "reporter"}, {"lang": "en", "value": "@bao00065 (GitHub)", "type": "reporter"}, {"lang": "en", "value": "@cxxz16 (GitHub)", "type": "reporter"}, {"lang": "en", "value": "@TristanInSec (GitHub)", "type": "reporter"}, {"lang": "en", "value": "@OSTIF-Derek (GitHub)", "type": "reporter"}, {"lang": "en", "value": "@HO-9 (GitHub)", "type": "reporter"}, {"lang": "en", "value": "Jakub Zelenka", "type": "remediation developer"}, {"lang": "en", "value": "Nora Dossche", "type": "remediation developer"}, {"lang": "en", "value": "Alexandre Daubois", "type": "analyst"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "ext-mysqlnd", "product": "PHP", "vendor": "PHP Group", "versions": [{"lessThan": "8.2.34", "status": "affected", "version": "8.2.*", "versionType": "semver"}, {"lessThan": "8.3.35", "status": "affected", "version": "8.3.*", "versionType": "semver"}, {"lessThan": "8.4.26", "status": "affected", "version": "8.4.*", "versionType": "semver"}, {"lessThan": "8.5.11", "status": "affected", "version": "8.5.*", "versionType": "semver"}]}], "source": "security@php.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The mysqlnd wire protocol parser reads fields out of server packets before checking that the packet still holds enough bytes for them. A malicious or compromised MySQL server can send a truncated packet and make the client read past the end of the packet buffer, which is undefined behaviour and can crash the process."}], "id": "CVE-2025-1218", "lastModified": "2026-09-25T21:17:20.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security@php.net", "type": "Secondary"}]}, "published": "2026-09-25T21:17:20.993", "references": [{"source": "security@php.net", "url": "https://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7"}], "sourceIdentifier": "security@php.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security@php.net", "type": "Secondary"}]}

{"bugzilla": {"description": "php: php: Denial of Service via out-of-bounds read in mysqlnd wire protocol parser", "id": "2541655", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541655"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in PHP. The MySQL Native Driver (mysqlnd) wire protocol parser fails to verify that an incoming packet contains enough bytes before reading its fields. A malicious or compromised database server can send a truncated packet, causing the client application to read past the buffer boundary. This issue can lead to a process crash, resulting in a Denial of Service (DoS), or potentially leak sensitive memory."], "name": "CVE-2025-1218", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "php", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "php8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "php", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "php:7.4/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "php:8.2/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "php:8.2/php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "php:8.3/php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "php:8.4/php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-25T20:48:21Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-1218\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-1218\nhttps://github.com/php/php-src/security/advisories/GHSA-r6x9-5r99-36j7"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.2.0,8.2.34)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.3.0,8.3.35)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.26)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.5.0,8.5.11)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PHP", "source": "cna", "vendor": "PHP Group"}, "product": "php", "vendor": "php_group"}], "created": "2026-09-25T23:00:15.625655+00:00", "updated": "2026-09-26T08:30:02.025838+00:00", "vendors": ["php_group", "php_group$PRODUCT$php"]}