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FKIE_CVE-2026-79699

Vulnerability from fkie_nvd - Published: 2026-09-15 17:17 - Updated: 2026-09-15 17:17
Severity
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Summary
A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-79699
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2523408
Impacted products
Vendor Product Version
To clipboard 

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      "lang": "en",
      "value": "A flaw was found in the containers/storage library. A crafted tar archive containing a malicious whiteout header (e.g. victim/.wh.) can cause the extraction destination directory to be replaced with an arbitrary file when processed by storage/pkg/archive.UnpackLayer, ApplyLayer, or ApplyUncompressedLayer."
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  "id": "CVE-2026-79699",
  "lastModified": "2026-09-15T17:17:27.083",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
          "version": "3.1"
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        "impactScore": 2.5,
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        "type": "Primary"
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      "url": "https://access.redhat.com/security/cve/CVE-2026-79699"
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2523408"
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  "vulnStatus": "Received",
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      "description": [
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          "lang": "en",
          "value": "CWE-59"
        }
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      "source": "secalert@redhat.com",
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}



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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

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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.


Detection rules are retrieved from Rulezet.


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