CVE-2025-47154 (GCVE-0-2025-47154)

Vulnerability from cvelistv5 – Published: 2025-05-01 00:00 – Updated: 2025-05-01 15:33 Disputed
VLAI
Summary
LibJS in Ladybird before f5a6704 mishandles the freeing of the vector that arguments_list references, leading to a use-after-free, and allowing remote attackers to execute arbitrary code via a crafted .js file. NOTE: the GitHub README says "Ladybird is in a pre-alpha state, and only suitable for use by developers."
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-01 14:38 UTC
CWE
  • CWE-820 - Missing Synchronization
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2325 records in the last 180 days details
Impacted products
Vendor Product Version CPE status
Ladybird Ladybird Affected: 0 , < f5a670421954fc7130c3685b713c621b29516669 (git)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-47154",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-01T14:38:04.914838Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-01T15:33:42.106Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Ladybird",
          "vendor": "Ladybird",
          "versions": [
            {
              "lessThan": "f5a670421954fc7130c3685b713c621b29516669",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "LibJS in Ladybird before f5a6704 mishandles the freeing of the vector that arguments_list references, leading to a use-after-free, and allowing remote attackers to execute arbitrary code via a crafted .js file. NOTE: the GitHub README says \"Ladybird is in a pre-alpha state, and only suitable for use by developers.\""
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-820",
              "description": "CWE-820 Missing Synchronization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T07:58:12.910Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://news.ycombinator.com/item?id=43852096"
        },
        {
          "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
        },
        {
          "url": "https://github.com/LadybirdBrowser/ladybird/commit/f5a670421954fc7130c3685b713c621b29516669"
        }
      ],
      "tags": [
        "disputed"
      ],
      "x_generator": {
        "engine": "enrichogram 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-47154",
    "datePublished": "2025-05-01T00:00:00.000Z",
    "dateReserved": "2025-05-01T00:00:00.000Z",
    "dateUpdated": "2025-05-01T15:33:42.106Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-47154",
      "date": "2026-10-14",
      "epss": "0.00681",
      "percentile": "0.51323"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Ladybird",
                "vendor": "Ladybird",
                "versions": [
                  {
                    "lessThan": "f5a670421954fc7130c3685b713c621b29516669",
                    "status": "affected",
                    "version": "0",
                    "versionType": "git"
                  }
                ]
              }
            ],
            "source": "cve@mitre.org"
          }
        ],
        "cveTags": [
          {
            "sourceIdentifier": "cve@mitre.org",
            "tags": [
              "disputed"
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "LibJS in Ladybird before f5a6704 mishandles the freeing of the vector that arguments_list references, leading to a use-after-free, and allowing remote attackers to execute arbitrary code via a crafted .js file. NOTE: the GitHub README says \"Ladybird is in a pre-alpha state, and only suitable for use by developers.\""
          },
          {
            "lang": "es",
            "value": "LibJS en Ladybird anterior a f5a6704 gestiona incorrectamente la liberaci\u00f3n del vector al que hace referencia arguments_list, lo que provoca un use-after-free y permite a atacantes remotos ejecutar c\u00f3digo arbitrario mediante un archivo .js manipulado. NOTA: El README de GitHub indica que \u00abLadybird se encuentra en estado pre-alfa y solo es apto para desarrolladores\u00bb."
          }
        ],
        "id": "CVE-2025-47154",
        "lastModified": "2026-06-17T09:27:31.200",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.0,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.2,
              "impactScore": 6.0,
              "source": "cve@mitre.org",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2025-47154",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-01T14:38:04.914838Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2025-05-01T08:15:17.950",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "https://github.com/LadybirdBrowser/ladybird/commit/f5a670421954fc7130c3685b713c621b29516669"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://news.ycombinator.com/item?id=43852096"
          },
          {
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Deferred",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-820"
              }
            ],
            "source": "cve@mitre.org",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T18:11:08+00:00",
      "cve": "CVE-2025-47154",
      "id": "CVE-2025-47154",
      "initial_release_date": "2025-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2025-47154",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-47154.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2025-47154",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-05-01T14:38:04.914838Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-05-01T14:38:14.176Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "exploit"
                ],
                "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Ladybird",
              "vendor": "Ladybird",
              "versions": [
                {
                  "lessThan": "f5a670421954fc7130c3685b713c621b29516669",
                  "status": "affected",
                  "version": "0",
                  "versionType": "git"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "LibJS in Ladybird before f5a6704 mishandles the freeing of the vector that arguments_list references, leading to a use-after-free, and allowing remote attackers to execute arbitrary code via a crafted .js file. NOTE: the GitHub README says \"Ladybird is in a pre-alpha state, and only suitable for use by developers.\""
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 9,
                "baseSeverity": "CRITICAL",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-820",
                  "description": "CWE-820 Missing Synchronization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-01T07:58:12.910Z",
            "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
            "shortName": "mitre"
          },
          "references": [
            {
              "url": "https://news.ycombinator.com/item?id=43852096"
            },
            {
              "url": "https://jessie.cafe/posts/pwning-ladybirds-libjs/"
            },
            {
              "url": "https://github.com/LadybirdBrowser/ladybird/commit/f5a670421954fc7130c3685b713c621b29516669"
            }
          ],
          "tags": [
            "disputed"
          ],
          "x_generator": {
            "engine": "enrichogram 0.0.1"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2025-47154",
        "datePublished": "2025-05-01T00:00:00.000Z",
        "dateReserved": "2025-05-01T00:00:00.000Z",
        "dateUpdated": "2025-05-01T15:33:42.106Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    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.