{"id":"CVE-2026-24822","aliases":["EUVD-2026-4803","GHSA-3vcc-ghcj-6f52"],"status":"published","title":"a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","severity":{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00376,"percentile":0.3189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2026-01-27T08:58:45Z","modified":"2026-10-28T02:30:28Z","products":[{"vendor":"ttttupup","product":"wxhelper"}],"references":[{"url":"https://github.com/ttttupup/wxhelper/pull/515","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24822","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3vcc-ghcj-6f52"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24822.json","tags":["advisory"]},{"url":"https://github.com/ttttupup/wxhelper","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-24822","title":"a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","status":"published","published":"2026-01-27T08:58:45.455Z","modified":"2026-01-27T16:59:40.636Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical","assessor":"cna"}],"cwes":["CWE-787","CWE-122"],"updated_at":"2026-11-02T14:19:50.575061Z"}],"euvd":[{"id":"EUVD-2026-4803","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","status":"published","published":"2026-01-27T08:58:45Z","modified":"2026-01-27T16:59:40Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical"}],"updated_at":"2026-11-02T19:48:47.293439Z"}],"ghsa":[{"id":"GHSA-3vcc-ghcj-6f52","title":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules)....","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","status":"published","published":"2026-01-27T09:30:31Z","modified":"2026-01-27T09:30:37Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:05:55.34225Z"}],"nvd":[{"id":"CVE-2026-24822","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","status":"published","published":"2026-01-27T09:15:52.937Z","modified":"2026-06-17T10:23:39.187Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:12:04.769088Z"}],"osv":[{"id":"CVE-2026-24822","title":"a heap-based buffer overflow vulnerability in ttttupup/wxhelper via src/mongoose.","description":"Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in ttttupup wxhelper (src modules). This vulnerability is associated with program files mongoose.C.\n\nThis issue affects wxhelper: through 3.9.10.19-v1.","status":"published","published":"2026-01-27T08:58:45.455Z","modified":"2026-10-28T02:30:28.134339936Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/AU:Y/R:U/V:D/RE:M/U:Red","level":"critical"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:44:59.438965Z"}]}}