{
  "cveId": "CVE-2021-33928",
  "url": "https://patchblox.com/security/cve/CVE-2021-33928",
  "summary": "CVE-2021-33928 is fixed in 5 products on 1 platform, first by RHSA-2021:4060, released November 2, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libsolv: The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.\n\nSecurity...",
  "description": "The libsolv packages provide a library for resolving package dependencies using a satisfiability algorithm.\n\nSecurity Fix(es):\n\n* libsolv: heap-based buffer overflow in pool_installable() in src/repo.h (CVE-2021-33928)\n\n* libsolv: heap-based buffer overflow in pool_disabled_solvable() in src/repo.h (CVE-2021-33929)\n\n* libsolv: heap-based buffer overflow in pool_installable_whatprovides() in src/repo.h (CVE-2021-33930)\n\n* libsolv: heap-based buffer overflow in prune_to_recommended() in src/policy.c (CVE-2021-33938)\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": "2021-11-02T00:00:00Z",
  "severity": "Moderate",
  "cvss": 7.5,
  "epss": 0.01474,
  "epssPercentile": 0.73982,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libdb",
      "release": "rocky 8",
      "fixedVersion": "0:5.3.28-42.el8_4",
      "fix": "RLSA-2022:5498",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2022-5498",
      "released": "2022-07-05T13:55:16Z"
    },
    {
      "platform": "linux",
      "product": "libsolv",
      "release": "RHEL 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "RHSA-2021:4060",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsolv",
      "release": "ol 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "ELSA-2021-4060",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsolv-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "RHSA-2021:4060",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsolv-devel",
      "release": "ol 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "ELSA-2021-4060",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsolv-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "RHSA-2021:4060",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libsolv-tools",
      "release": "ol 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "ELSA-2021-4060",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-solv",
      "release": "RHEL 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "RHSA-2021:4060",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-solv",
      "release": "ol 8",
      "fixedVersion": "0:0.7.16-3.el8_4",
      "fix": "ELSA-2021-4060",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4060",
      "released": "2021-11-02T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}