{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9150", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-05-20T22:15:47.147Z", "datePublished": "2026-05-20T23:07:18.213Z", "dateUpdated": "2026-05-20T23:42:40.907Z"}, "containers": {"cna": {"title": "Libsolv: stack-based buffer overflow in libsolv's debian metadata parser when handling sha384/sha512 checksums", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption and a denial of service (DoS) in the affected system."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}, {"vendor": "Red Hat", "product": "Red Hat Hardened Images", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:hummingbird:1"]}, {"vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhcos", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:openshift:4"]}, {"vendor": "Red Hat", "product": "Red Hat Satellite 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "satellite-capsule:el8/libsolv", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:satellite:6"]}, {"vendor": "Red Hat", "product": "Red Hat Update Infrastructure 4 for Cloud Providers", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:rhui:4::el8"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-9150", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460379", "name": "RHBZ#2460379", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://github.com/openSUSE/libsolv/pull/616"}], "datePublic": "2026-05-20T22:59:46.186Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-121: Stack-based Buffer Overflow", "workarounds": [{"lang": "en", "value": "To mitigate this issue, ensure that libsolv only processes trusted and cryptographically signed Debian repository metadata. Avoid ingesting or processing `Packages` files from untrusted or unverified sources."}], "timeline": [{"lang": "en", "time": "2026-04-21T21:15:41.000Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-05-20T22:59:46.186Z", "value": "Made public."}], "credits": [{"lang": "en", "value": "This issue was discovered by Found by AISLE in partnership with Red Hat."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-05-20T23:42:40.907Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption and a denial of service (DoS) in the affected system."}], "id": "CVE-2026-9150", "lastModified": "2026-05-20T23:16:36.010", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Primary"}]}, "published": "2026-05-20T23:16:36.010", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-9150"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460379"}, {"source": "secalert@redhat.com", "url": "https://github.com/openSUSE/libsolv/pull/616"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "secalert@redhat.com", "type": "Primary"}]}

{"bugzilla": {"description": "libsolv: Stack-based buffer overflow in libsolv's Debian metadata parser when handling SHA384/SHA512 checksums", "id": "2460379", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460379"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["A flaw was found in libsolv. This stack-based buffer overflow vulnerability occurs in libsolv's Debian metadata parser when processing specially crafted Debian repository metadata. An attacker could exploit this by providing malicious SHA384 or SHA512 checksum tags, leading to memory corruption and a denial of service (DoS) in the affected system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that libsolv only processes trusted and cryptographically signed Debian repository metadata. Avoid ingesting or processing `Packages` files from untrusted or unverified sources."}, "name": "CVE-2026-9150", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libsolv", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libsolv", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "satellite-capsule:el8/libsolv", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:rhui:4::el8", "fix_state": "Fix deferred", "package_name": "libsolv", "product_name": "Red Hat Update Infrastructure 4 for Cloud Providers"}], "public_date": "2026-05-20T22:59:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-9150\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-9150\nhttps://github.com/openSUSE/libsolv/pull/616"], "statement": "This Moderate impact flaw in libsolv's Debian metadata parser can lead to a denial of service due to a stack-based buffer overflow. Exploitation requires a victim to process specially crafted, untrusted Debian repository metadata containing malicious SHA384 or SHA512 checksums. While memory corruption occurs, reliable system compromise has not been demonstrated, and the vulnerability is not typically exposed in default Red Hat product configurations.", "threat_severity": "Moderate"}

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