CVE-2025-49794 (GCVE-0-2025-49794)
Vulnerability from cvelistv5
Published
2025-06-16 15:24
Modified
2025-10-30 05:42
Severity ?
CWE
  • CWE-825 - Expired Pointer Dereference
Summary
A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the <sch:name path="..."/> schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program's crash using libxml or other possible undefined behaviors.
References
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:10630
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:10698
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:10699
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:11580
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12098
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12099
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12199
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12237
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12239
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12240
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:12241
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:13335
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:15397
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:15827
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:15828
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:18217
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:18218
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:18219
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:18240
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:19020
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:19041
secalert@redhat.com https://access.redhat.com/errata/RHSA-2025:19046
secalert@redhat.com https://access.redhat.com/security/cve/CVE-2025-49794
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2372373
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:2.12.5-7.el10_0   < *
    cpe:/o:redhat:enterprise_linux:10.0
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   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:2.9.1-6.el7_9.10   < *
    cpe:/o:redhat:rhel_els:7
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.7-21.el8_10.1   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.7-21.el8_10.1   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
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   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:2.9.7-9.el8_2.3   < *
    cpe:/a:redhat:rhel_aus:8.2::appstream
    cpe:/o:redhat:rhel_aus:8.2::baseos
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   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:2.9.7-9.el8_4.6   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Unaffected: 0:2.9.7-9.el8_4.6   < *
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/o:redhat:rhel_eus_long_life:8.4::baseos
    cpe:/o:redhat:rhel_aus:8.4::baseos
    cpe:/a:redhat:rhel_eus_long_life:8.4::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
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   Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:2.9.7-13.el8_6.10   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
    cpe:/o:redhat:rhel_aus:8.6::baseos
    cpe:/o:redhat:rhel_e4s:8.6::baseos
    cpe:/o:redhat:rhel_tus:8.6::baseos
    cpe:/a:redhat:rhel_aus:8.6::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service Unaffected: 0:2.9.7-16.el8_8.9   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_e4s:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Unaffected: 0:2.9.7-16.el8_8.9   < *
    cpe:/a:redhat:rhel_tus:8.8::appstream
    cpe:/o:redhat:rhel_e4s:8.8::baseos
    cpe:/o:redhat:rhel_tus:8.8::baseos
    cpe:/a:redhat:rhel_e4s:8.8::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.9.13-10.el9_6   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
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   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:2.9.13-10.el9_6   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:2.9.13-1.el9_0.5   < *
    cpe:/o:redhat:rhel_e4s:9.0::baseos
    cpe:/a:redhat:rhel_e4s:9.0::appstream
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   Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:2.9.13-3.el9_2.7   < *
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
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   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:2.9.13-10.el9_4   < *
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/o:redhat:rhel_eus:9.4::baseos
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   Red Hat Red Hat JBoss Core Services 2.4.62.SP2     cpe:/a:redhat:jboss_core_services:1
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   Red Hat Red Hat OpenShift Container Platform 4.13     cpe:/a:redhat:openshift:4.13::el9
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   Red Hat Red Hat OpenShift Container Platform 4.14     cpe:/a:redhat:openshift:4.14::el9
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   Red Hat Red Hat OpenShift Container Platform 4.17     cpe:/a:redhat:openshift:4.17::el9
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   Red Hat Red Hat OpenShift Container Platform 4.18     cpe:/a:redhat:openshift:4.18::el9
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   Red Hat Red Hat OpenShift Container Platform 4.19     cpe:/a:redhat:openshift:4.19::el9
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   Red Hat Red Hat OpenShift Container Platform 4.20     cpe:/a:redhat:openshift:4.20::el9
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   Red Hat Red Hat Web Terminal 1.11 on RHEL 9 Unaffected: 1.11-19   < *
    cpe:/a:redhat:webterminal:1.11::el9
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   Red Hat Red Hat Web Terminal 1.11 on RHEL 9 Unaffected: 1.11-8   < *
    cpe:/a:redhat:webterminal:1.11::el9
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   Red Hat Red Hat Web Terminal 1.12 on RHEL 9 Unaffected: 1.12-4   < *
    cpe:/a:redhat:webterminal:1.12::el9
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   Red Hat cert-manager operator for Red Hat OpenShift 1.16 Unaffected: sha256:df852ad92734bc087e213e6c7075daf6d7010db4ab72919649736804e295a6a2   < *
    cpe:/a:redhat:cert_manager:1.16::el9
Create a notification for this product.
   Red Hat Red Hat Insights proxy 1.5 Unaffected: sha256:c26d589f12647890b67aaa986f54d3f7c6f7f2563fb5a73f38d559e6138739d7   < *
    cpe:/a:redhat:insights_proxy:1.5::el9
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Show details on NVD website


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          "product": "Red Hat Enterprise Linux 8",
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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            "cpe:/o:redhat:rhel_aus:8.2::baseos"
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          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
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          "versions": [
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              "version": "0:2.9.7-9.el8_2.3",
              "versionType": "rpm"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.9.7-9.el8_4.6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos",
            "cpe:/o:redhat:rhel_aus:8.4::baseos",
            "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:2.9.7-9.el8_4.6",
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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            "cpe:/a:redhat:rhel_e4s:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/a:redhat:rhel_aus:8.6::appstream"
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          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:2.9.7-13.el8_6.10",
              "versionType": "rpm"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6::appstream",
            "cpe:/a:redhat:rhel_e4s:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/a:redhat:rhel_aus:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
          "vendor": "Red Hat",
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            "cpe:/a:redhat:rhel_e4s:8.6::appstream",
            "cpe:/o:redhat:rhel_aus:8.6::baseos",
            "cpe:/o:redhat:rhel_e4s:8.6::baseos",
            "cpe:/o:redhat:rhel_tus:8.6::baseos",
            "cpe:/a:redhat:rhel_aus:8.6::appstream"
          ],
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          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:2.9.7-13.el8_6.10",
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.8::appstream",
            "cpe:/o:redhat:rhel_e4s:8.8::baseos",
            "cpe:/o:redhat:rhel_tus:8.8::baseos",
            "cpe:/a:redhat:rhel_e4s:8.8::appstream"
          ],
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          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
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          "versions": [
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              "status": "unaffected",
              "version": "0:2.9.7-16.el8_8.9",
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.8::appstream",
            "cpe:/o:redhat:rhel_e4s:8.8::baseos",
            "cpe:/o:redhat:rhel_tus:8.8::baseos",
            "cpe:/a:redhat:rhel_e4s:8.8::appstream"
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          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/o:redhat:enterprise_linux:9::baseos",
            "cpe:/a:redhat:enterprise_linux:9::appstream"
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          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
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        {
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            "cpe:/a:redhat:enterprise_linux:9::appstream"
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          "vendor": "Red Hat",
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              "versionType": "rpm"
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_e4s:9.0::baseos",
            "cpe:/a:redhat:rhel_e4s:9.0::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.9.13-1.el9_0.5",
              "versionType": "rpm"
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
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          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.9.13-3.el9_2.7",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.4::appstream",
            "cpe:/o:redhat:rhel_eus:9.4::baseos"
          ],
          "defaultStatus": "affected",
          "packageName": "libxml2",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:2.9.13-10.el9_4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:jboss_core_services:1"
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{\"url\": \"https://access.redhat.com/security/cve/CVE-2025-49794\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2372373\", \"name\": \"RHBZ#2372373\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"There\u0027s no available mitigation other than avoid processing untrusted XML documents before updating to the libxml version containing the fix.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A use-after-free vulnerability was found in libxml2. This issue occurs when parsing XPath elements under certain circumstances when the XML schematron has the \u003csch:name path=\\\"...\\\"/\u003e schema elements. This flaw allows a malicious actor to craft a malicious XML document used as input for libxml, resulting in the program\u0027s crash using libxml or other possible undefined behaviors.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-825\", \"description\": \"Expired Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-10-29T12:12:12.442Z\"}, \"x_redhatCweChain\": \"CWE-825: Expired Pointer Dereference\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-49794\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-29T12:12:12.442Z\", \"dateReserved\": \"2025-06-10T22:17:05.286Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-06-16T15:24:31.020Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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