{
    "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": "2026-07-31T17:51:19.720Z"
    },
    "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": "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/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": "2026-07-31T17:51:19.720Z"
            },
            "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"
                }
            }
        ]
    }
}