Vulnerability-Lookup

ubuntu-cve-2026-18299

Vulnerability from osv_ubuntu

Published

2026-08-21 00:00

Modified

2026-08-24 07:32

Summary

Details

(GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerabili ...)

Severity

7.8 (High)


                    
                      CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-18299	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-18299	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.8.3-1~ubuntu0.1+esm1"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.8.3-1~ubuntu0.1+esm1"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.8.3-1~ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.8.3-1~ubuntu0.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6.0-1",
        "1.6.1-1",
        "1.6.2-1",
        "1.7.1-1",
        "1.7.2-1",
        "1.7.90-1",
        "1.7.91-1",
        "1.8.0-1",
        "1.8.1-1~ubuntu1",
        "1.8.2-1~ubuntu1",
        "1.8.3-1~ubuntu0.1",
        "1.8.3-1~ubuntu0.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.14.5-0ubuntu1~18.04.2"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.14.5-0ubuntu1~18.04.2"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.14.5-0ubuntu1~18.04.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.14.5-0ubuntu1~18.04.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.12.3-1",
        "1.12.4-1",
        "1.13.1-1",
        "1.13.91-1",
        "1.14.0-1",
        "1.14.1-1~ubuntu18.04.1",
        "1.14.1-1~ubuntu18.04.2",
        "1.14.4-1~ubuntu18.04.1",
        "1.14.5-0ubuntu1~18.04.1",
        "1.14.5-0ubuntu1~18.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.16.3-0ubuntu1.2"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.16.3-0ubuntu1.2"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.16.3-0ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.16.3-0ubuntu1.2?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.16.1-1",
        "1.16.2-1",
        "1.16.2-2",
        "1.16.3-0ubuntu1",
        "1.16.3-0ubuntu1.1",
        "1.16.3-0ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.20.3-0ubuntu1.1"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.20.3-0ubuntu1.1"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.20.3-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.20.3-0ubuntu1.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.18.5-1",
        "1.19.90-1",
        "1.20.0-1",
        "1.20.1-1",
        "1.20.3-0ubuntu1",
        "1.20.3-0ubuntu1.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.24.2-1ubuntu0.1"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.24.2-1ubuntu0.1"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.24.2-1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.24.2-1ubuntu0.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.22.5-1",
        "1.22.6-1",
        "1.22.7-1",
        "1.22.8-1",
        "1.22.10-1",
        "1.24.1-1",
        "1.24.1-1build1",
        "1.24.2-1",
        "1.24.2-1ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "gir1.2-gstreamer-1.0",
            "binary_version": "1.28.2-1"
          },
          {
            "binary_name": "gstreamer1.0-tools",
            "binary_version": "1.28.2-1"
          },
          {
            "binary_name": "libgstreamer1.0-0",
            "binary_version": "1.28.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "gstreamer1.0",
        "purl": "pkg:deb/ubuntu/gstreamer1.0@1.28.2-1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.26.6-1",
        "1.27.2-2",
        "1.27.50-1",
        "1.27.90-1",
        "1.28.0-2",
        "1.28.1-1",
        "1.28.2-1"
      ]
    }
  ],
  "aliases": [],
  "details": "(GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerabili ...)",
  "id": "UBUNTU-CVE-2026-18299",
  "modified": "2026-08-24T07:32:10Z",
  "published": "2026-08-21T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-18299"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-18299"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-18299"
  ]
}

CVE-2026-18299 (GCVE-0-2026-18299)

Vulnerability from cvelistv5 – Published: 2026-08-20 16:22 – Updated: 2026-08-21 03:57

Title

GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability

Summary

GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the processing of RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787.

Severity

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-20 00:00 UTC

CWE

CWE-416 - Use After Free

Assigner

zdi mitre root

References

2 references

URL	Tags
https://www.zerodayinitiative.com/advisories/ZDI-…	x_research-advisory
https://gstreamer.freedesktop.org/security/sa-202…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
GStreamer	GStreamer	Affected: 99fde1184fe8b12d0721230941c1bf2080913183

Date Public

2026-07-29 21:30

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-18299",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-20T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-21T03:57:13.463Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "GStreamer",
          "vendor": "GStreamer",
          "versions": [
            {
              "status": "affected",
              "version": "99fde1184fe8b12d0721230941c1bf2080913183"
            }
          ]
        }
      ],
      "dateAssigned": "2026-07-29T17:11:07.315Z",
      "datePublic": "2026-07-29T21:30:00.832Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the processing of RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416: Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-20T16:22:34.064Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
        {
          "name": "ZDI-26-467",
          "tags": [
            "x_research-advisory"
          ],
          "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-467/"
        },
        {
          "name": "vendor-provided URL",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://gstreamer.freedesktop.org/security/sa-2026-0051.html"
        }
      ],
      "source": {
        "lang": "en",
        "value": "DongHyeon Hwang (kind_killerwhale)"
      },
      "title": "GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2026-18299",
    "datePublished": "2026-08-20T16:22:34.064Z",
    "dateReserved": "2026-07-29T17:11:07.286Z",
    "dateUpdated": "2026-08-21T03:57:13.463Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

ubuntu-cve-2026-18299

Vulnerability from osv_ubuntu

CVE-2026-18299 (GCVE-0-2026-18299)

Tags

Sightings

Nomenclature