{
  "threat_severity" : "Moderate",
  "public_date" : "2026-05-20T22:19:32Z",
  "bugzilla" : {
    "description" : "libsolv: Heap buffer overflow in libsolv repo_add_solv via negative maxsize from crafted .solv file",
    "id" : "2460380",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2460380"
  },
  "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" : "verified"
  },
  "cwe" : "CWE-122",
  "details" : [ "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).", "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)." ],
  "statement" : "This Moderate impact heap buffer overflow in libsolv occurs when processing specially crafted `.solv` files with negative size values. Exploitation requires a victim to process attacker-controlled input, such as an untrusted `.solv` file, which can lead to a denial of service. The vulnerability is not easily exploitable without user interaction or specific application workflows that handle untrusted solvdb inputs.",
  "acknowledgement" : "This issue was discovered by AISLE in partnership with Red Hat.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-06-23T00:00:00Z",
    "advisory" : "RHSA-2026:28236",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.2",
    "package" : "libsolv-0:0.7.33-5.el10_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-07-31T00:00:00Z",
    "advisory" : "RHSA-2026:48818",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "libsolv-0:0.7.29-8.el10_0.1"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "release_date" : "2026-05-27T00:00:00Z",
    "advisory" : "RHSA-2026:21333",
    "cpe" : "cpe:/a:redhat:hummingbird:1",
    "package" : "libsolv-main-0.7.38-2.hum1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Fix deferred",
    "package_name" : "libsolv",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Fix deferred",
    "package_name" : "libsolv",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "libsolv",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Fix deferred",
    "package_name" : "openshift/ose-rhel-coreos-8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Fix deferred",
    "package_name" : "openshift/ose-rhel-coreos-9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat Satellite 6",
    "fix_state" : "Fix deferred",
    "package_name" : "satellite-capsule:el8/libsolv",
    "cpe" : "cpe:/a:redhat:satellite:6"
  }, {
    "product_name" : "Red Hat Update Infrastructure 4 for Cloud Providers",
    "fix_state" : "Fix deferred",
    "package_name" : "libsolv",
    "cpe" : "cpe:/a:redhat:rhui:4::el8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-9149\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-9149\nhttps://github.com/openSUSE/libsolv/pull/617" ],
  "name" : "CVE-2026-9149",
  "mitigation" : {
    "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.",
    "lang" : "en:us"
  },
  "csaw" : false
}