{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-7258", "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "state": "PUBLISHED", "assignerShortName": "php", "dateReserved": "2026-04-28T04:58:17.457Z", "datePublished": "2026-05-10T04:28:14.520Z", "dateUpdated": "2026-05-11T13:06:10.908Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "shortName": "php", "dateUpdated": "2026-05-10T04:45:03.566Z" }, "title": "Out-of-bounds read in urldecode() on NetBSD", "datePublic": "2026-05-07T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "type": "CWE" } ] } ], "affected": [ { "vendor": "PHP Group", "product": "PHP", "platforms": [ "NetBSD" ], "versions": [ { "status": "affected", "version": "8.2.*", "lessThan": "8.2.31", "versionType": "semver" }, { "status": "affected", "version": "8.3.*", "lessThan": "8.3.31", "versionType": "semver" }, { "status": "affected", "version": "8.4.*", "lessThan": "8.4.21", "versionType": "semver" }, { "status": "affected", "version": "8.5.*", "lessThan": "8.5.6", "versionType": "semver" } ], "defaultStatus": "affected" } ], "descriptions": [ { "lang": "en", "value": "In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some functions, including urldecode(), pass signed char to ctype functions (like isxdigit()). On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can lead to accessing array with negative offset, which can trigger a denial of service.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some functions, including urldecode(), pass signed char to ctype functions (like isxdigit()). On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can lead to accessing array with negative offset, which can trigger a denial of service." } ] } ], "references": [ { "url": "https://github.com/php/php-src/security/advisories/GHSA-m8rr-4c36-8gq4", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "LOW", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/U:Amber" } } ], "credits": [ { "lang": "en", "value": "xfourj", "type": "reporter" }, { "lang": "en", "value": "Ilija Tovilo", "type": "remediation developer" } ], "source": { "advisory": "GHSA-m8rr-4c36-8gq4", "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-11T13:05:55.470310Z", "id": "CVE-2026-7258", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-11T13:06:10.908Z" } } ] } }