ubuntu-cve-2026-59692
Vulnerability from osv_ubuntu
Published
2026-07-09 11:16
Modified
2026-07-15 17:53
Summary
Details

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.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
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      },
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      },
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          {
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          {
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          {
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            "binary_version": "1.28.2-1ubuntu1.1"
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            "binary_version": "1.28.2-1ubuntu1.1"
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          {
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            "binary_version": "1.28.2-1ubuntu1.1"
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      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "gst-plugins-bad1.0",
        "purl": "pkg:deb/ubuntu/gst-plugins-bad1.0@1.28.2-1ubuntu1.1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
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        "1.27.2-1ubuntu1",
        "1.27.90-1ubuntu2",
        "1.28.0-1ubuntu2",
        "1.28.1-2ubuntu2",
        "1.28.1-2ubuntu3",
        "1.28.2-1ubuntu1",
        "1.28.2-1ubuntu1.1"
      ]
    }
  ],
  "aliases": [],
  "details": "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": "UBUNTU-CVE-2026-59692",
  "modified": "2026-07-15T17:53:45Z",
  "published": "2026-07-09T11:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-59692"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-59692"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-59692"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497344"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer-security/-/merge_requests/99"
    },
    {
      "type": "REPORT",
      "url": "https://gitlab.freedesktop.org/gstreamer/gstreamer/-/work_items/5172"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-59692"
  ]
}



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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.
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  • 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.