CVE-2026-90801

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90801", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-13T15:33:38.779Z", "datePublished": "2026-09-14T16:15:14.725Z", "dateUpdated": "2026-09-14T16:32:57.245Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-14T16:15:14.725Z"}, "title": "GNU Binutils ld cache.c cache_bwrite buffer overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "GNU", "product": "Binutils", "versions": [{"version": "2.47", "status": "affected"}], "cpes": ["cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"], "modules": ["ld"]}], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-09-13T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-13T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-13T17:38:55.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Dem0000000 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/403303", "name": "VDB-403303 | GNU Binutils ld cache.c cache_bwrite buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/403303/cti", "name": "VDB-403303 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-90801", "name": "CVE-2026-90801 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/920276", "name": "Submit #920276 | GNU Binutils 2.47 (version date 20260726) Heap-based Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34442", "tags": ["issue-tracking"]}, {"url": "https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md", "tags": ["exploit"]}, {"url": "https://www.gnu.org/", "tags": ["broken-link", "product"]}], "tags": ["x_open-source"], "x_generator": ["VulDB PVTS v202609"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-14T16:31:19.525313Z", "id": "CVE-2026-90801", "options": [{"Exploitation": "poc"}, {"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": "2026-09-14T16:32:57.245Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-90801", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T16:31:19.525313Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T16:32:53.202Z"}}], "cna": {"tags": ["x_open-source"], "title": "GNU Binutils ld cache.c cache_bwrite buffer overflow", "credits": [{"lang": "en", "type": "reporter", "value": "Dem0000000 (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "baseSeverity": "MEDIUM", "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"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"], "vendor": "GNU", "modules": ["ld"], "product": "Binutils", "versions": [{"status": "affected", "version": "2.47"}]}], "timeline": [{"lang": "en", "time": "2026-09-13T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-09-13T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-09-13T17:38:55.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/403303", "name": "VDB-403303 | GNU Binutils ld cache.c cache_bwrite buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/403303/cti", "name": "VDB-403303 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-90801", "name": "CVE-2026-90801 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/920276", "name": "Submit #920276 | GNU Binutils 2.47 (version date 20260726) Heap-based Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34442", "tags": ["issue-tracking"]}, {"url": "https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md", "tags": ["exploit"]}, {"url": "https://www.gnu.org/", "tags": ["broken-link", "product"]}], "x_generator": ["VulDB PVTS v202609"], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "Memory Corruption"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-14T16:15:14.725Z"}}}, "cveMetadata": {"cveId": "CVE-2026-90801", "state": "PUBLISHED", "dateUpdated": "2026-09-14T16:32:57.245Z", "dateReserved": "2026-09-13T15:33:38.779Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-09-14T16:15:14.725Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:gnu:binutils:*:*:*:*:*:*:*:*"], "modules": ["ld"], "product": "Binutils", "vendor": "GNU", "versions": [{"status": "affected", "version": "2.47"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:binutils:2.47:*:*:*:*:*:*:*", "matchCriteriaId": "9F37BAFE-B2F1-4F71-836A-D14F19EB63BE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through a bug report but has not responded yet."}], "id": "CVE-2026-90801", "lastModified": "2026-09-18T14:42:27.257", "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": 6.6, "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:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 4.7, "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-2026-90801", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T16:31:19.525313Z", "version": "2.0.3"}}]}, "published": "2026-09-14T17:17:56.610", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Mitigation", "Third Party Advisory"], "url": "https://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md"}, {"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=34442"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/cve/CVE-2026-90801"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/submit/920276"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/403303"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/vuln/403303/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": "Primary"}]}

{"bugzilla": {"description": "binutils: GNU Binutils ld: Buffer overflow in cache_bwrite via nbytes manipulation", "id": "2533176", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533176"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in GNU Binutils. A buffer overflow vulnerability exists in the `cache_bwrite` function within the `bfd/cache.c` file of the `ld` component. This flaw can be triggered by manipulating the `nbytes` argument, allowing a local attacker to potentially cause information disclosure or denial of service."], "name": "CVE-2026-90801", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "binutils", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-09-14T16:15:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-90801\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-90801\nhttps://github.com/r1ck9-2q/cve_summit/blob/main/Heap-buffer-overflow%20in%20%60cache_bwrite%60%20(bfdcache.c436)%20via%20malformed%20ELF%20with%20%60--gc-sections%20-w%60.md\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=34442\nhttps://vuldb.com/cve/CVE-2026-90801\nhttps://vuldb.com/submit/920276\nhttps://vuldb.com/vuln/403303\nhttps://vuldb.com/vuln/403303/cti\nhttps://www.gnu.org/"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "2.47"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Binutils", "source": "cna", "vendor": "GNU"}, "product": "binutils", "vendor": "gnu"}], "created": "2026-09-15T04:30:13.603155+00:00", "updated": "2026-09-15T07:15:17.449632+00:00", "vendors": ["gnu", "gnu$PRODUCT$binutils"], "weaknesses": ["CWE-119", "CWE-120"]}