CVE-2026-58088

{"id": "CVE-2026-58088", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58088", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-19T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.4}]}, "affected": [{"source": "secteam@freebsd.org", "affectedData": [{"vendor": "FreeBSD", "modules": ["elf"], "product": "FreeBSD", "versions": [{"status": "affected", "version": "15.1-RELEASE", "lessThan": "p2", "versionType": "release"}, {"status": "affected", "version": "15.0-RELEASE", "lessThan": "p12", "versionType": "release"}, {"status": "affected", "version": "14.4-RELEASE", "lessThan": "p8", "versionType": "release"}], "defaultStatus": "unknown"}]}], "published": "2026-08-19T08:17:12.983", "references": [{"url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:55.elf.asc", "tags": ["Vendor Advisory", "Mailing List"], "source": "secteam@freebsd.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secteam@freebsd.org", "description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "The ELF core dump code counted the number of dumpable VM map entries, allocated a buffer for the corresponding program headers, then iterated over the map a second time to populate them. A process sharing the address space via rfork(2) can mutate the map between the two passes, causing the second pass to write program headers past the end of the buffer.\n\nAn unprivileged local user sharing an address space with a process that dumps core can trigger an out-of-bounds write on the kernel heap, potentially leading to privilege escalation."}], "lastModified": "2026-08-31T15:04:36.857", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F3856BE-666F-4FA1-A6AD-FE179CEBF1E4"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9CC0037-3282-42C3-80D8-F6C1D43B9332"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1EADA828-3C20-43C0-A0CA-3AC7D7F23DBD"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53D73FD2-4B06-47D3-BA2A-4363E9DE3565"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D726890B-E679-43A9-A211-D5C05BBE3941"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CBE94635-5277-4050-8098-F062091F6596"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A66308E4-DA6E-48DB-86E5-A503EE110EAD"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "59EF67B4-E572-483B-BC9E-B2D3D8DF19CE"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:14.4:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0342A715-E211-4AF6-97ED-32EB9EBB947D"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "368CFE5D-C5C2-42AF-AAF4-28DFE1A59C3B"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA4AAA57-70A7-4717-ACF2-A253E757FF2C"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "683CEB32-A634-4363-86FB-2BDC59724E3E"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p11:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9EC8EE3F-9992-4A0F-A0CD-3B44BA086BD2"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E24ABFA6-4D12-4DE5-832B-438502C7D188"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C9869C-494B-4628-9AA3-4AA5B989C377"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "002AA2FE-C7BA-471A-9434-0E56A878ACBF"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B187670D-E3A2-4A0D-A653-982F8B447E78"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "047E7EE9-FB51-4CF2-A8BE-484BFD819565"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2C9768AE-9954-4B2A-9525-D7D4942406E7"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B9EF55-3755-452A-B067-043803099B22"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EE3C4F40-A117-4B37-8CDD-096A1A763630"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD327D43-A2DC-49B5-A578-D2116E1E12F3"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E379873C-DA04-4EAA-ABF6-EB87B4B471A8"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF16D01F-95EC-4FE3-B32D-135CB82E8391"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:15.1:rc3-p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75973F7C-645A-438C-A03B-C77AAAD20C15"}], "operator": "OR"}]}], "sourceIdentifier": "secteam@freebsd.org"}