CVE-2026-28903

{"id": "CVE-2026-28903", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28903", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-13T13:59:41.598977Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "Safari", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "18.7.9", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "tvOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "watchOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el7_9", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkitgtk4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus_long_life:8.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_aus:8.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus_long_life:8.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_tus:8.8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:8.8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el9_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el9_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el9_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "0:2.52.4-1.el9_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "webkit2gtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "webkitgtk", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "webkitgtk3", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-05-11T21:18:53.113", "references": [{"url": "https://support.apple.com/en-us/127110", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127111", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127115", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127118", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127119", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127120", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127121", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25918", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25927", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27728", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27785", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27804", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28114", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28146", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28147", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28148", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-28903", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2483959", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28903.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-119"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash."}], "lastModified": "2026-07-15T02:19:18.507", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3968B76-E6DE-416D-A0FB-E4833FFAAE0F", "versionEndExcluding": "18.7.9"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20644D7E-2AB6-48CA-AED4-C474A9867986", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6431EAF-B395-4C19-9AB6-A2F45991C897", "versionEndExcluding": "18.7.9"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1BE54A3B-D667-43BA-AB71-BCF8438054E0", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CB91417-90A8-4A9B-A1D0-1D94B80EF837", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "176C47FD-FA25-437B-9061-A81CAA367AEF", "versionEndExcluding": "26.5"}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C8F45D80-0DF8-444E-9AF1-703A1075F046", "versionEndExcluding": "26.5"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "057B244F-5485-4108-8E23-FE15F5256EE7", "versionEndExcluding": "26.5"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}