FKIE_CVE-2026-14164

Vulnerability from fkie_nvd - Published: 2026-06-30 07:16 - Updated: 2026-11-06 08:17
Summary
A double free issue has been identified in libarchive's RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:30333
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:52674
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:52675
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54387
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54760
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54769
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:56954
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:58558
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:58573
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:58574
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:58981
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:61783
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:62409
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:63041
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:63044
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:63100
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:65839
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:65851
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:67857
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:67935
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:70586
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:70615
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72394
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72395
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72399
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72470
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72475
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72476
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:72502
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73909
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73959
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73960
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73961
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:73962
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74458
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74459
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74460
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74461
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74462
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74463
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:74674
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82061
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82304
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82322
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82336
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82347
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82354
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82371
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82372
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82857
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:82888
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-14164
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2493411
secalert@redhat.comhttps://github.com/libarchive/libarchive/issues/3069
secalert@redhat.comhttps://github.com/libarchive/libarchive/pull/3071
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/libarchive/libarchive/issues/3069
Impacted products
Vendor Product Version

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          "vendor": "Red Hat",
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          "vendor": "Red Hat",
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          "product": "Red Hat OpenShift Container Platform 4.14",
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.17",
          "vendor": "Red Hat",
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.18",
          "vendor": "Red Hat",
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              "versionType": "rpm"
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          "vendor": "Red Hat",
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          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.19",
          "vendor": "Red Hat",
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        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.20",
          "vendor": "Red Hat",
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.21",
          "vendor": "Red Hat",
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              "versionType": "rpm"
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          "cpes": [
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          "packageName": "openshift/ose-rhel-coreos-9",
          "product": "Red Hat OpenShift Container Platform 4.22",
          "vendor": "Red Hat",
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          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
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          "packageName": "cert-manager/jetstack-cert-manager-acmesolver-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.17",
          "vendor": "Red Hat",
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          "product": "Cert Manager support for Red Hat OpenShift release 1.17",
          "vendor": "Red Hat",
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          "packageName": "cert-manager/jetstack-cert-manager-acmesolver-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.18",
          "vendor": "Red Hat",
          "versions": [
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          "product": "Cert Manager support for Red Hat OpenShift release 1.18",
          "vendor": "Red Hat",
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          "packageName": "cert-manager/cert-manager-operator-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.18",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "1789029076",
              "versionType": "rpm"
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          ]
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          "product": "Cert Manager support for Red Hat OpenShift release 1.18",
          "vendor": "Red Hat",
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          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
          "vendor": "Red Hat",
          "versions": [
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        {
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          "packageName": "cert-manager/cert-manager-istio-csr-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
              "status": "unaffected",
              "version": "1790223719",
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          "packageName": "cert-manager/cert-manager-operator-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "1790272426",
              "versionType": "rpm"
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        },
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          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "cert-manager/jetstack-cert-manager-acmesolver-rhel9",
          "product": "Cert Manager support for Red Hat OpenShift release 1.20",
          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
              "status": "unaffected",
              "version": "1790589998",
              "versionType": "rpm"
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  "descriptions": [
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      "lang": "en",
      "value": "A double free issue has been identified in libarchive\u0027s RAR5 reader. During parsing of a specially crafted RAR5 archive, the filtered_buf pointer may remain stale after being freed during unpacking state reinitialization. Subsequent processing of another archive entry can trigger a second free of the same memory region, resulting in a double-free condition. Successful exploitation may cause applications using the vulnerable libarchive API to terminate unexpectedly, leading to a denial of service."
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          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:72502"
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      "url": "https://access.redhat.com/errata/RHSA-2026:73909"
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      "url": "https://access.redhat.com/errata/RHSA-2026:73962"
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      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:74458"
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      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:74459"
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      "url": "https://access.redhat.com/errata/RHSA-2026:74460"
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      "url": "https://access.redhat.com/errata/RHSA-2026:82322"
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      "url": "https://access.redhat.com/errata/RHSA-2026:82336"
    },
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      "url": "https://access.redhat.com/errata/RHSA-2026:82347"
    },
    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:82354"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:82371"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2026:82372"
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      "url": "https://access.redhat.com/errata/RHSA-2026:82857"
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      "url": "https://access.redhat.com/errata/RHSA-2026:82888"
    },
    {
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      "url": "https://access.redhat.com/security/cve/CVE-2026-14164"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493411"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/libarchive/libarchive/issues/3069"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://github.com/libarchive/libarchive/pull/3071"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/libarchive/libarchive/issues/3069"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Events included in the timeline

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.