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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
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        {
          "category": "description",
          "text": "jq is a command-line JSON processor. Prior to 1.8.2, comparing two sufficiently deeply nested arrays with the == operator exhausts the C stack on jq's ordinary command-line surface, resulting in denial of service via stack exhaustion (uncontrolled recursion). The crash occurs in jq's recursive structural comparison code, with the recursion repeating through jvp_array_equal() and jv_equal() in src/jv.c when comparing deeply nested arrays; a nearby sort comparator path through jv_cmp() in src/jv_aux.c overflows the stack at a larger nesting depth from  the same missing recursion guard. Anyone running jq comparisons on attacker-controlled deeply nested JSON values, or embedding jq in a context  where untrusted data can reach the == comparison path, is affected. This vulnerability is fixed in 1.8.2.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "known_affected": [
          "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.aarch64",
          "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.i686",
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          "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
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          "Rocky Linux-9.8:jq-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
          "Rocky Linux-9.8:jq-0:1.6-19.el9_8.2.x86_64",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.aarch64",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.i686",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.aarch64",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.i686",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
          "Rocky Linux-9.8:jq-devel-0:1.6-19.el9_8.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-47770"
        },
        {
          "category": "external",
          "summary": "https://github.com/jqlang/jq/security/advisories/GHSA-3pgx-frr7-3jxp",
          "url": "https://github.com/jqlang/jq/security/advisories/GHSA-3pgx-frr7-3jxp"
        }
      ],
      "release_date": "2026-06-25T18:16:00Z",
      "remediations": [
        {
          "category": "no_fix_planned",
          "date": "2026-09-18T20:29:33.420167Z",
          "details": "This is a local, user‑interaction denial‑of‑service in jq’s deep equality code that only triggers when jq compares attacker‑supplied, extremely deeply nested arrays, and it affects availability only (no confidentiality or integrity impact). Exploitation requires untrusted JSON to reach a very specific == comparison path in a command‑line invocation, which typically must be explicitly constructed. Because the outcome is limited to crashing the jq process without impacting broader host stability or privileges, it is reasonable to deprioritize relative to remotely exploitable or privilege‑escalation issues.",
          "product_ids": [
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            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.i686",
            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.tuxcare.els1.aarch64",
            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.tuxcare.els1.i686",
            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.x86_64",
            "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.aarch64",
            "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.i686",
            "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.aarch64",
            "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.i686",
            "AlmaLinux-9.8:jq-devel-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
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            "Rocky Linux-9.8:jq-0:1.6-19.el9_8.2.i686",
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            "Rocky Linux-9.8:jq-0:1.6-19.el9_8.2.tuxcare.els1.x86_64",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AlmaLinux-9.8:jq-0:1.6-19.el9_8.2.aarch64",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ]
    }
  ]
}