{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-9149", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-05-20T22:08:56.611Z", "datePublished": "2026-05-20T23:34:56.473Z", "dateUpdated": "2026-08-31T14:56:28.044Z" }, "containers": { "cna": { "title": "Libsolv: heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file", "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 heap buffer overflow vulnerability occurs when a victim processes a specially crafted `.solv` file containing negative size values in the `repo_add_solv` function. This leads to an undersized memory allocation and a subsequent out-of-bounds write. An attacker could exploit this to cause a denial of service (DoS)." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "versions": [ { "version": "0:0.7.33-5.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsolv", "defaultStatus": "affected", "versions": [ { "version": "0:0.7.29-8.el10_0.1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux_eus:10.0" ] }, { "vendor": "Red Hat", "product": "Red Hat Hardened Images", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "libsolv-main", "defaultStatus": "affected", "versions": [ { "version": "0.7.38-2.hum1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:hummingbird:1" ] }, { "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 OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift/ose-rhel-coreos-8", "defaultStatus": "unknown", "cpes": [ "cpe:/a:redhat:openshift:4" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift/ose-rhel-coreos-9", "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/errata/RHSA-2026:21333", "name": "RHSA-2026:21333", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:28236", "name": "RHSA-2026:28236", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:48818", "name": "RHSA-2026:48818", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-9149", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460380", "name": "RHBZ#2460380", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] }, { "url": "https://github.com/openSUSE/libsolv/pull/617" } ], "datePublic": "2026-05-20T22:19:32.560Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-122", "description": "Heap-based Buffer Overflow", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-122: Heap-based Buffer Overflow", "workarounds": [ { "lang": "en", "value": "To mitigate this issue, avoid processing untrusted `.solv` files with libsolv or any applications that consume `.solv` input. Ensure that all `.solv` data processed by the system originates from trusted sources only." } ], "timeline": [ { "lang": "en", "time": "2026-04-21T21:20:01.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-05-20T22:19:32.560Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "This issue was discovered by AISLE in partnership with Red Hat." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-31T14:56:28.044Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "references": [ { "url": "https://github.com/openSUSE/libsolv/pull/617", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-21T12:22:28.191967Z", "id": "CVE-2026-9149", "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": "2026-05-21T12:22:30.994Z" } } ] } }