{"id":"CVE-2024-8946","aliases":["DEBIAN-CVE-2024-8946","EUVD-2024-0102","GHSA-74qm-4v7r-jw2f","PYSEC-2024-91","PYSEC-2024-93","PYSEC-2024-95","PYSEC-2024-96","UBUNTU-CVE-2024-8946","USN-7472-1"],"status":"published","title":"MicroPython VFS Unmount vfs.c mp_vfs_umount heap-based overflow","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01006,"percentile":0.6326,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-122","CWE-787"],"published":"2024-09-17T18:31:04Z","modified":"2026-11-02T12:03:16Z","fixes":[{"ecosystem":"Debian:13","package":"micropython","fixed_in":["1.24.0+ds-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"micropython","fixed_in":["1.24.0+ds-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"micropython","fixed_in":["1.12-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"micropython","fixed_in":["1.17+ds-1.1ubuntu2+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"micropython","fixed_in":["1.22.1+ds-1ubuntu0.24.04.1~esm1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"micropython-copy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.3.post3"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"micropython-io","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"micropython-os-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.3"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"micropython-string","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"micropython","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.0+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"micropython","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.24.0+ds-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"micropython-copy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.3.post3"}]}],"versions":["0.0.1","0.0.2","3.3.3-2","3.3.3.post3"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-io","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.1"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-os-path","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1.3"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.1","0.1.1","0.1.2","0.1.3"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-string","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.1"}]}],"versions":["0.0.1","0.1"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-copy","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"29943546343c92334e8518695a11fc0e2ceea68b"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.1","0.0.2","3.3.3-2","3.3.3.post3"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-io","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"29943546343c92334e8518695a11fc0e2ceea68b"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.1"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-os-path","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"29943546343c92334e8518695a11fc0e2ceea68b"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.1","0.1.1","0.1.2","0.1.3"]},{"source":"osv","ecosystem":"PyPI","package":"micropython-string","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"29943546343c92334e8518695a11fc0e2ceea68b"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0.1","0.1","v1.24.0-preview","v1.23.0","v1.22.0","v1.23.0-preview","v1.22.0-preview","v1.21.0","v1.20.0","v1.19.1","v1.19","v1.18","v1.17","v1.16","v1.15","v1.14","v1.13","v1.12","v1.11","v1.10","v1.9.4","v1.9.3","v1.9.2","v1.9.1","v1.9","v1.8.7","v1.8.6","v1.8.5","v1.8.4","v1.8.3","v1.8.2","v1.8.1","v1.8","v1.7","v1.6","v1.5.2","v1.5.1","v1.5","v1.4.6","v1.4.5","v1.4.4","v1.4.3","v1.4.2","v1.4.1","v1.4","v1.3.10","v1.3.9","v1.3.8","v1.3.7","v1.3.6","v1.3.5","v1.3.4","v1.3.3","v1.3.2","v1.3.1","v1.3","v1.2","v1.1.1","v1.1","v1.0.1","v1.0","v1.0-rc1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"micropython","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12-1ubuntu0.1~esm1"}]}],"versions":["1.12-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"micropython","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17+ds-1.1ubuntu2+esm1"}]}],"versions":["1.17+ds-1ubuntu1","1.17+ds-1.1","1.17+ds-1.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"micropython","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.1+ds-1ubuntu0.24.04.1~esm1"}]}]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Party Advisory","advisory","web","report"]},{"url":"https://vuldb.com/?ctiid.277764","tags":["signature","permissions-required","Permissions Required","report","web"]},{"url":"https://vuldb.com/?submit.409312","tags":["third-party-advisory","Third Party Advisory","advisory","web","report"]},{"url":"https://github.com/micropython/micropython/issues/13006","tags":["exploit","issue-tracking","Exploit","Issue Tracking","report","web","evidence"]},{"url":"https://github.com/micropython/micropython/issues/13006#issuecomment-1820309455","tags":["issue-tracking","Exploit","Third Party Advisory","report","web","evidence"]},{"url":"https://github.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b","tags":["patch","Patch","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-8946","tags":["advisory"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/micropython-copy/PYSEC-2024-91.yaml","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/micropython-io/PYSEC-2024-93.yaml","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/micropython-os-path/PYSEC-2024-95.yaml","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/micropython-string/PYSEC-2024-96.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-74qm-4v7r-jw2f","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8946.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-8946","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-8946","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-8946","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-7472-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-42553","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-8947","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2024-8946","title":"MicroPython VFS Unmount vfs.c mp_vfs_umount heap-based overflow","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T18:31:04.213Z","modified":"2024-09-17T20:14:27.949Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"},{"version":"3.0","score":7.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:09.540667Z"}],"euvd":[{"id":"EUVD-2024-0102","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T18:31:04Z","modified":"2024-09-17T20:14:27Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-03T00:28:21.470786Z"}],"ghsa":[{"id":"GHSA-74qm-4v7r-jw2f","title":"Heap-based Buffer Overflow in MicroPython","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T21:30:33Z","modified":"2024-09-25T18:23:42Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:38:06.29677Z"}],"nvd":[{"id":"CVE-2024-8946","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:29.22Z","modified":"2026-06-17T08:23:36.507Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:10:26.717759Z"}],"osv":[{"id":"CVE-2024-8946","title":"MicroPython VFS Unmount vfs.c mp_vfs_umount heap-based overflow","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T18:31:04.213Z","modified":"2026-10-28T10:58:52.103425857Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:45.712478Z"},{"id":"DEBIAN-CVE-2024-8946","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:29.22Z","modified":"2026-11-02T12:03:16.024151192Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:44.747956Z"},{"id":"GHSA-74qm-4v7r-jw2f","title":"Heap-based Buffer Overflow in MicroPython","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T21:30:33Z","modified":"2024-09-25T18:42:15.413804Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T15:46:40.657155Z"},{"id":"PYSEC-2024-91","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:00Z","modified":"2024-09-25T18:42:15.413804Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"},{"id":"PYSEC-2024-93","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:00Z","modified":"2024-09-25T18:42:15.413804Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"},{"id":"PYSEC-2024-95","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:00Z","modified":"2024-09-25T18:42:15.413804Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"},{"id":"PYSEC-2024-96","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:00Z","modified":"2026-06-10T17:02:11.021945164Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"},{"id":"UBUNTU-CVE-2024-8946","description":"A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.","status":"published","published":"2024-09-17T19:15:00Z","modified":"2026-02-04T04:39:45.903784Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:18.664792Z"},{"id":"USN-7472-1","title":"micropython vulnerabilities","description":"Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled\nthe length of a buffer in mp_vfs_umount, leading to a heap-based buffer \noverflow vulnerability. If a user or automated system were tricked into\nopening a specially crafted file, an attacker could possibly use this issue\nto cause a denial of service or possibly execute arbitrary code.\n(CVE-2024-8946)\n\n\nJunwha Hong and Wonil Jang discovered that Micropython incorrectly handled\nmemory, leading to a use-after-free vulnerability under certain \ncircumstances. If a user or automated system were tricked into opening a \nspecially crafted file, an attacker could possibly use this issue to\ncause a denial of service or possibly execute arbitrary code. \n(CVE-2024-8947)\n\nIt was discovered that Middleware USB Host MCU Component incorrectly\nhandled memory, leading to a buffer overflow vulnerability, If a user or \nautomated system were tricked into opening a specially crafted file, an \nattacker could possibly use this issue to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-42553)\n","status":"published","published":"2025-05-01T13:04:26Z","modified":"2026-04-27T17:56:36.281355Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}