cve-2026-26825

{
  "document": {
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    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
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    "lang": "en",
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        "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 Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
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    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26825.json"
      }
    ],
    "title": "libxls: libxls: Information disclosure via use of uninitialized memory",
    "tracking": {
      "current_release_date": "2026-06-28T06:22:32+00:00",
      "generator": {
        "date": "2026-06-28T06:22:32+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "5.2.6"
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      },
      "id": "CVE-2026-26825",
      "initial_release_date": "2026-06-03T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-06-03T00:00:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-06-04T18:50:07+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-06-28T06:22:32+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
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  "vulnerabilities": [
    {
      "cve": "CVE-2026-26825",
      "discovery_date": "2026-06-03T21:01:00.594828+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "red_hat_products"
          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in libxls. This use-of-uninitialized memory vulnerability occurs when the software processes specially crafted XLS files. An attacker could exploit this by providing a malformed XLS file, which may lead to undefined behavior, incorrect parsing logic, or potential information disclosure.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.",
          "title": "Statement"
        },
        {
          "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_not_affected": [
          "red_hat_products"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-26825"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-26825",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-26825"
        }
      ],
      "release_date": "2026-06-03T00:00:00+00:00",
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L",
            "version": "3.1"
          },
          "products": [
            "red_hat_products"
          ]
        }
      ],
      "title": "libxls: libxls: Information disclosure via use of uninitialized memory"
    }
  ]
}