{
  "cveId": "CVE-2026-15789",
  "url": "https://patchblox.com/security/cve/CVE-2026-15789",
  "summary": "CVE-2026-15789 is fixed in 3 products on 1 platform, first by ALSA-2026:70640, released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "buildah: The buildah package provides a tool for facilitating building OCI container images",
  "description": "The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images.\n\nSecurity Fix(es):\n\n* buildah: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)\n\n* buildah: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)\n\n* buildah: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)\n\n* buildah: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)\n\n* buildah: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-09-23T00:00:00Z",
  "severity": "Important",
  "cvss": 8.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
  "epss": 0.00314,
  "epssPercentile": 0.24552,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "buildah",
      "release": "RHEL 9",
      "fixedVersion": "2:1.43.3-2.el9_8",
      "fix": "RHSA-2026:70640",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-70640",
      "released": "2026-09-24T19:32:44Z"
    },
    {
      "platform": "linux",
      "product": "buildah",
      "release": "almalinux 9",
      "fixedVersion": "2:1.43.3-2.el9_8",
      "fix": "ALSA-2026:70640",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-70640",
      "released": "2026-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "buildah",
      "release": "ol 9",
      "fixedVersion": "2:1.43.3-2.0.1.el9_8",
      "fix": "ELSA-2026-70640",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-70640",
      "released": "2026-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "buildah",
      "release": "rocky 9",
      "fixedVersion": "2:1.43.3-2.el9_8",
      "fix": "RLSA-2026:70640",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-70640",
      "released": "2026-09-24T18:05:00Z"
    },
    {
      "platform": "linux",
      "product": "buildah-tests",
      "release": "RHEL 9",
      "fixedVersion": "2:1.43.3-2.el9_8",
      "fix": "RHSA-2026:70640",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-70640",
      "released": "2026-09-24T19:32:44Z"
    },
    {
      "platform": "linux",
      "product": "buildah-tests",
      "release": "almalinux 9",
      "fixedVersion": "2:1.43.3-2.el9_8",
      "fix": "ALSA-2026:70640",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-70640",
      "released": "2026-09-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "buildah-tests",
      "release": "ol 9",
      "fixedVersion": "2:1.43.3-2.0.1.el9_8",
      "fix": "ELSA-2026-70640",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-70640",
      "released": "2026-09-24T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "runfinch-finch",
      "release": "amzn 2023",
      "fixedVersion": "1.19.0-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-3140",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3140",
      "released": "2026-09-28T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}