CVE-2026-90803

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The name of the patch is 471130b39c03623ec6d78ece377ff4da3f6bfe7b. It is recommended to upgrade the affected component."}], "id": "CVE-2026-90803", "lastModified": "2026-09-18T14:41:59.927", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 5.5, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-90803", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T17:15:30.626737Z", "version": "2.0.3"}}]}, "published": "2026-09-14T17:17:56.983", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34444"}, {"source": "cna@vuldb.com", "tags": ["Patch"], "url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/cve/CVE-2026-90803"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/920280"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/403305"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/403305/cti"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.gnu.org/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{"bugzilla": {"description": "binutils: GNU Binutils ld: Buffer Overflow via Malformed Relocation", "id": "2533196", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533196"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-805", "details": ["A flaw was found in GNU Binutils. A local attacker could exploit a buffer overflow vulnerability in the `elf_x86_64_relocate_section` function of the `ld` component by providing a malformed relocation. This could lead to potential information disclosure, data corruption, or denial of service."], "name": "CVE-2026-90803", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "binutils", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-14T16:45:15Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-90803\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-90803\nhttps://github.com/r1ck9-2q/cve_summit/blob/main/Heap%20OOB%20readwrite%20and%20SEGV%20in%20%60elf_x86_64_relocate_section%60%20(bfdelf64-x86-64.c4530%20%204835)%20via%20malformed%20relocation.md\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=34444\nhttps://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=471130b39c03623ec6d78ece377ff4da3f6bfe7b\nhttps://vuldb.com/cve/CVE-2026-90803\nhttps://vuldb.com/submit/920280\nhttps://vuldb.com/vuln/403305\nhttps://vuldb.com/vuln/403305/cti\nhttps://www.gnu.org/"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2.47"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "2.48"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Binutils", "source": "cna", "vendor": "GNU"}, "product": "binutils", "vendor": "gnu"}], "created": "2026-09-15T03:45:13.451868+00:00", "updated": "2026-09-21T00:15:06.436332+00:00", "vendors": ["gnu", "gnu$PRODUCT$binutils"]}