FKIE_CVE-2026-59692

Vulnerability from fkie_nvd - Published: 2026-07-09 11:16 - Updated: 2026-08-19 10:16
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an oversized Subject DN that exceeds the buffer, causing a stack buffer overflow and process crash, resulting in denial of service.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:47179
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:47180
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:47731
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54658
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54659
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54660
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54664
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54665
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:54752
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:56658
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2026:56772
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2026-59692
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2497344
secalert@redhat.comhttps://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99
secalert@redhat.comhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
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          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.2"
          ],
          "defaultStatus": "affected",
          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.26.7-2.el10_2.6",
              "versionType": "rpm"
            }
          ]
        },
        {
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          ],
          "defaultStatus": "affected",
          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:1.24.11-3.el10_0.6",
              "versionType": "rpm"
            }
          ]
        },
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          "cpes": [
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          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "vendor": "Red Hat",
          "versions": [
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              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.10.4-7.el7_9",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/a:redhat:enterprise_linux:8::crb"
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          "vendor": "Red Hat",
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          ]
        },
        {
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          ],
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        },
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            "cpe:/a:redhat:rhel_tus:8.8::appstream"
          ],
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          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
          "vendor": "Red Hat",
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              "status": "unaffected",
              "version": "0:1.16.1-4.el8_8.4",
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          ]
        },
        {
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          ],
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          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
          "vendor": "Red Hat",
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              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.16.1-4.el8_8.4",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream",
            "cpe:/a:redhat:enterprise_linux:9::crb"
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          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
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          "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
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              "versionType": "rpm"
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        {
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          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
          "vendor": "Red Hat",
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              "status": "unaffected",
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              "versionType": "rpm"
            }
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        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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            "cpe:/a:redhat:rhel_eus:9.6::crb"
          ],
          "defaultStatus": "affected",
          "packageName": "gstreamer1-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "0:1.22.12-5.el9_6.6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "affected",
          "packageName": "gstreamer-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:7"
          ],
          "defaultStatus": "affected",
          "packageName": "gstreamer-plugins-bad-free",
          "product": "Red Hat Enterprise Linux 7",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A stack buffer overflow vulnerability was found in GStreamer\u0027s DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an oversized Subject DN that exceeds the buffer, causing a stack buffer overflow and process crash, resulting in denial of service."
    }
  ],
  "id": "CVE-2026-59692",
  "lastModified": "2026-08-19T10:16:37.890",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "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",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-59692",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-09T13:33:46.281179Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-09T11:16:41.783",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:47179"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:47180"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:47731"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54658"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54659"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54660"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54664"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54665"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:54752"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:56658"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2026:56772"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59692"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497344"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}



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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.