CVE-2026-45256 (GCVE-0-2026-45256)

Vulnerability from cvelistv5 – Published: 2026-06-26 14:43 – Updated: 2026-06-26 15:30
VLAI
Title
Missing permission check in thr_kill2(2)
Summary
When used to deliver a signal to a specific thread, thr_kill2(2) called p_cansignal() to determine whether the operation was permitted but did not check the result before delivering the signal. The signal was sent even when the permission check failed. The system call returned the resulting error to the caller, but by then the signal had already been delivered. The missing check allows an unprivileged local user who knows or can guess a target's process and thread IDs to send any signal to a process they would not normally be permitted to signal, including processes owned by other users or by root. The same check enforces jail boundaries, so a jailed process can signal processes on the host or in other jails. Thread IDs are allocated globally and sequentially, and so can be discovered by brute force with no visibility into the target. An attacker can stop or terminate arbitrary processes, including critical system daemons, resulting in a Denial of Service (DoS).
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 15:29 UTC
CWE
  • CWE-269 - Improper Privilege Management
Assigner
freebsd CNA under the mitre root
CNA scorecard D 60/100 over 61 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
FreeBSD FreeBSD Affected: 15.0-RELEASE , < p10 (release)
Affected: 14.4-RELEASE , < p6 (release)
Affected: 14.3-RELEASE , < p15 (release)
guessed Create a notification for this product.
Date Public
2026-06-09 23:30
Credits
Yuxiang Yang, Yizhou Zhao, Ao Wang, Xuewei Feng, Qi Li, and Ke Xu from Tsinghua University using GLM-5.1 from Z.ai Igor Gabriel Sousa e Souza
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-45256",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-26T15:29:58.924156Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-26T15:30:02.071Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "thr"
          ],
          "product": "FreeBSD",
          "vendor": "FreeBSD",
          "versions": [
            {
              "lessThan": "p10",
              "status": "affected",
              "version": "15.0-RELEASE",
              "versionType": "release"
            },
            {
              "lessThan": "p6",
              "status": "affected",
              "version": "14.4-RELEASE",
              "versionType": "release"
            },
            {
              "lessThan": "p15",
              "status": "affected",
              "version": "14.3-RELEASE",
              "versionType": "release"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Yuxiang Yang, Yizhou Zhao, Ao Wang, Xuewei Feng, Qi Li, and Ke Xu from Tsinghua University using GLM-5.1 from Z.ai"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Igor Gabriel Sousa e Souza"
        }
      ],
      "datePublic": "2026-06-09T23:30:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "When used to deliver a signal to a specific thread, thr_kill2(2) called p_cansignal() to determine whether the operation was permitted but did not check the result before delivering the signal.  The signal was sent even when the permission check failed.  The system call returned the resulting error to the caller, but by then the signal had already been delivered.\n\nThe missing check allows an unprivileged local user who knows or can guess a target\u0027s process and thread IDs to send any signal to a process they would not normally be permitted to signal, including processes owned by other users or by root.  The same check enforces jail boundaries, so a jailed process can signal processes on the host or in other jails.  Thread IDs are allocated globally and sequentially, and so can be discovered by brute force with no visibility into the target.\n\nAn attacker can stop or terminate arbitrary processes, including critical system daemons, resulting in a Denial of Service (DoS)."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269 Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-26T14:43:22.674Z",
        "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "shortName": "freebsd"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:25.thr.asc"
        }
      ],
      "title": "Missing permission check in thr_kill2(2)",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
    "assignerShortName": "freebsd",
    "cveId": "CVE-2026-45256",
    "datePublished": "2026-06-26T14:43:22.674Z",
    "dateReserved": "2026-05-11T16:27:44.891Z",
    "dateUpdated": "2026-06-26T15:30:02.071Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-45256",
      "date": "2026-11-07",
      "epss": "0.00122",
      "percentile": "0.02022"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unknown",
                "modules": [
                  "thr"
                ],
                "product": "FreeBSD",
                "vendor": "FreeBSD",
                "versions": [
                  {
                    "lessThan": "p10",
                    "status": "affected",
                    "version": "15.0-RELEASE",
                    "versionType": "release"
                  },
                  {
                    "lessThan": "p6",
                    "status": "affected",
                    "version": "14.4-RELEASE",
                    "versionType": "release"
                  },
                  {
                    "lessThan": "p15",
                    "status": "affected",
                    "version": "14.3-RELEASE",
                    "versionType": "release"
                  }
                ]
              }
            ],
            "source": "secteam@freebsd.org"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:-:*:*:*:*:*:*",
                    "matchCriteriaId": "9DC7C54E-58AF-4ADE-84AF-0EF0F325E20E",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p1:*:*:*:*:*:*",
                    "matchCriteriaId": "D3D22B8C-36CF-4800-9673-0B0240558BDD",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p10:*:*:*:*:*:*",
                    "matchCriteriaId": "7296F5AA-F8C1-4277-A4EE-C2B24073A320",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p11:*:*:*:*:*:*",
                    "matchCriteriaId": "C30E4A9C-0594-4F40-92B3-26CB9AA85AE9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p12:*:*:*:*:*:*",
                    "matchCriteriaId": "9F83F91B-587A-433C-99DB-0D63E267FF16",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p13:*:*:*:*:*:*",
                    "matchCriteriaId": "44B9C2FC-756E-459F-8E68-C2C2B8C258AC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p14:*:*:*:*:*:*",
                    "matchCriteriaId": "A11526CF-505E-47DF-8388-65CB216D2022",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p2:*:*:*:*:*:*",
                    "matchCriteriaId": "242FA2A8-5D7D-4617-A411-2651FF3A3E4C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p3:*:*:*:*:*:*",
                    "matchCriteriaId": "40573F60-F3B7-4AEC-846A-B08E5B7D9D00",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p4:*:*:*:*:*:*",
                    "matchCriteriaId": "1FB832CE-0A98-44A2-8BAC-CD38A64279B6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p5:*:*:*:*:*:*",
                    "matchCriteriaId": "9A785F8E-C218-41AE-8D57-BF06DDAEF7CB",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p6:*:*:*:*:*:*",
                    "matchCriteriaId": "C3909FDD-B2A2-45B6-A40B-1D303A717F15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p7:*:*:*:*:*:*",
                    "matchCriteriaId": "720597A2-F181-46E1-8A0D-097E17ADC4FB",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p8:*:*:*:*:*:*",
                    "matchCriteriaId": "DC8A75D0-148A-427A-9783-45477EABED21",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.3:p9:*:*:*:*:*:*",
                    "matchCriteriaId": "F5D39FC9-6DBA-46C8-BB80-A6188E6A8527",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:-:*:*:*:*:*:*",
                    "matchCriteriaId": "8F3856BE-666F-4FA1-A6AD-FE179CEBF1E4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p1:*:*:*:*:*:*",
                    "matchCriteriaId": "D9CC0037-3282-42C3-80D8-F6C1D43B9332",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p2:*:*:*:*:*:*",
                    "matchCriteriaId": "1EADA828-3C20-43C0-A0CA-3AC7D7F23DBD",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p3:*:*:*:*:*:*",
                    "matchCriteriaId": "53D73FD2-4B06-47D3-BA2A-4363E9DE3565",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p4:*:*:*:*:*:*",
                    "matchCriteriaId": "D726890B-E679-43A9-A211-D5C05BBE3941",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:p5:*:*:*:*:*:*",
                    "matchCriteriaId": "CBE94635-5277-4050-8098-F062091F6596",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:14.4:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "0342A715-E211-4AF6-97ED-32EB9EBB947D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:-:*:*:*:*:*:*",
                    "matchCriteriaId": "368CFE5D-C5C2-42AF-AAF4-28DFE1A59C3B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p1:*:*:*:*:*:*",
                    "matchCriteriaId": "AA4AAA57-70A7-4717-ACF2-A253E757FF2C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p2:*:*:*:*:*:*",
                    "matchCriteriaId": "E24ABFA6-4D12-4DE5-832B-438502C7D188",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p3:*:*:*:*:*:*",
                    "matchCriteriaId": "C1C9869C-494B-4628-9AA3-4AA5B989C377",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p4:*:*:*:*:*:*",
                    "matchCriteriaId": "002AA2FE-C7BA-471A-9434-0E56A878ACBF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p5:*:*:*:*:*:*",
                    "matchCriteriaId": "B187670D-E3A2-4A0D-A653-982F8B447E78",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p6:*:*:*:*:*:*",
                    "matchCriteriaId": "047E7EE9-FB51-4CF2-A8BE-484BFD819565",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p7:*:*:*:*:*:*",
                    "matchCriteriaId": "2C9768AE-9954-4B2A-9525-D7D4942406E7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p8:*:*:*:*:*:*",
                    "matchCriteriaId": "F8B9EF55-3755-452A-B067-043803099B22",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.0:p9:*:*:*:*:*:*",
                    "matchCriteriaId": "EE3C4F40-A117-4B37-8CDD-096A1A763630",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:freebsd:freebsd:15.1:rc2:*:*:*:*:*:*",
                    "matchCriteriaId": "BF16D01F-95EC-4FE3-B32D-135CB82E8391",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "When used to deliver a signal to a specific thread, thr_kill2(2) called p_cansignal() to determine whether the operation was permitted but did not check the result before delivering the signal.  The signal was sent even when the permission check failed.  The system call returned the resulting error to the caller, but by then the signal had already been delivered.\n\nThe missing check allows an unprivileged local user who knows or can guess a target\u0027s process and thread IDs to send any signal to a process they would not normally be permitted to signal, including processes owned by other users or by root.  The same check enforces jail boundaries, so a jailed process can signal processes on the host or in other jails.  Thread IDs are allocated globally and sequentially, and so can be discovered by brute force with no visibility into the target.\n\nAn attacker can stop or terminate arbitrary processes, including critical system daemons, resulting in a Denial of Service (DoS)."
          }
        ],
        "id": "CVE-2026-45256",
        "lastModified": "2026-06-26T18:58:48.590",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-45256",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-26T15:29:58.924156Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-06-26T15:16:39.170",
        "references": [
          {
            "source": "secteam@freebsd.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:25.thr.asc"
          }
        ],
        "sourceIdentifier": "secteam@freebsd.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-269"
              }
            ],
            "source": "secteam@freebsd.org",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-45256",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-26T15:29:58.924156Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-26T15:29:56.651Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unknown",
              "modules": [
                "thr"
              ],
              "product": "FreeBSD",
              "vendor": "FreeBSD",
              "versions": [
                {
                  "lessThan": "p10",
                  "status": "affected",
                  "version": "15.0-RELEASE",
                  "versionType": "release"
                },
                {
                  "lessThan": "p6",
                  "status": "affected",
                  "version": "14.4-RELEASE",
                  "versionType": "release"
                },
                {
                  "lessThan": "p15",
                  "status": "affected",
                  "version": "14.3-RELEASE",
                  "versionType": "release"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Yuxiang Yang, Yizhou Zhao, Ao Wang, Xuewei Feng, Qi Li, and Ke Xu from Tsinghua University using GLM-5.1 from Z.ai"
            },
            {
              "lang": "en",
              "type": "finder",
              "value": "Igor Gabriel Sousa e Souza"
            }
          ],
          "datePublic": "2026-06-09T23:30:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "When used to deliver a signal to a specific thread, thr_kill2(2) called p_cansignal() to determine whether the operation was permitted but did not check the result before delivering the signal.  The signal was sent even when the permission check failed.  The system call returned the resulting error to the caller, but by then the signal had already been delivered.\n\nThe missing check allows an unprivileged local user who knows or can guess a target\u0027s process and thread IDs to send any signal to a process they would not normally be permitted to signal, including processes owned by other users or by root.  The same check enforces jail boundaries, so a jailed process can signal processes on the host or in other jails.  Thread IDs are allocated globally and sequentially, and so can be discovered by brute force with no visibility into the target.\n\nAn attacker can stop or terminate arbitrary processes, including critical system daemons, resulting in a Denial of Service (DoS)."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-269",
                  "description": "CWE-269 Improper Privilege Management",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-26T14:43:22.674Z",
            "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
            "shortName": "freebsd"
          },
          "references": [
            {
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://security.freebsd.org/advisories/FreeBSD-SA-26:25.thr.asc"
            }
          ],
          "title": "Missing permission check in thr_kill2(2)",
          "x_generator": {
            "engine": "cvelib 1.8.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109",
        "assignerShortName": "freebsd",
        "cveId": "CVE-2026-45256",
        "datePublished": "2026-06-26T14:43:22.674Z",
        "dateReserved": "2026-05-11T16:27:44.891Z",
        "dateUpdated": "2026-06-26T15:30:02.071Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Loading timeline…




    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.