{"id":"CVE-2024-38519","aliases":["ALPINE-CVE-2024-38519","DEBIAN-CVE-2024-38519","EUVD-2024-2285","GHSA-79w7-vh3h-8g4j","PYSEC-2026-2065","UBUNTU-CVE-2024-38519","openSUSE-SU-2024:14094-1"],"status":"published","title":"yt-dlp and youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00325,"percentile":0.25836,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434","CWE-669"],"published":"2024-07-02T13:47:36Z","modified":"2026-11-03T06:32:45Z","fixes":[{"ecosystem":"PyPI","package":"yt-dlp","fixed_in":["2024.07.01"],"sources":["ghsa","osv"]},{"ecosystem":"Alpine:v3.21","package":"yt-dlp","fixed_in":["2024.07.01-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"yt-dlp","fixed_in":["2024.07.01-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"yt-dlp","fixed_in":["2024.07.01-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"yt-dlp","fixed_in":["2024.07.01-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"yt-dlp","fixed_in":["2024.07.01-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"yt-dlp","fixed_in":["2024.07.01-1"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"yt-dlp","fixed_in":["2024.07.01-1.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"youtube-dl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2021.12.17-2"]},{"source":"osv","ecosystem":"Debian:12","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2023.03.04-1","2023.06.21-1","2023.06.22-1","2023.06.22-1~bpo12+1","2023.07.06-1","2023.07.06-1~bpo12+1","2023.09.24-1","2023.09.24-2","2023.09.24-2~bpo12+1","2023.10.07-1","2023.10.07-1~bpo12+1","2023.10.13-1","2023.10.13-1~bpo11+1","2023.10.13-1~bpo12+1","2023.11.16-1","2023.11.16-1~bpo11+1","2023.11.16-1~bpo12+1","2023.12.30-1","2024.03.10-1","2024.03.10-1~bpo12+1","2024.04.09-1","2024.04.09-1~bpo12+1","2024.05.26-1","2024.05.26-1~bpo12+1","2024.05.27-1","2024.05.27-1~bpo12+1","2024.07.01-1","2024.07.02-1","2024.07.02-1~bpo12+1","2024.07.07-1","2024.07.09-1","2024.07.09-1~bpo12+1","2024.07.16-1","2024.07.16-1~bpo12+1","2024.07.25-1","2024.07.25-1~bpo12+1","2024.08.01-1","2024.08.01-1~bpo12+1","2024.08.06-1","2024.08.06-1~bpo12+1","2024.09.27-1","2024.09.27-1~bpo12+1","2024.10.07-1","2024.10.07-1~bpo12+1","2024.10.22-1","2024.10.22-1~bpo12+1","2024.11.04-1","2024.11.18-1","2024.11.18-1~bpo12+1","2024.12.03-1","2024.12.03-1~bpo12+1","2024.12.06-1","2024.12.06-1~bpo12+1","2024.12.13-1","2024.12.13-1~bpo12+1","2024.12.23-1","2024.12.23-1~bpo12+1","2025.01.12-1","2025.01.12-1~bpo12+1","2025.01.15-1","2025.01.15-1~bpo12+1","2025.01.26-1","2025.01.26-1~bpo12+1","2025.02.19-1","2025.02.19-1~bpo12+1","2025.03.21-1","2025.03.21-1~bpo12+1","2025.03.25-1","2025.03.26-1","2025.03.26-1~bpo12+1","2025.03.27-1","2025.03.27-1~bpo12+1","2025.03.31-1","2025.03.31-1~bpo12+1","2025.04.30-1","2025.04.30-1~bpo12+1","2025.05.22-1","2025.06.09-1","2025.06.25-1","2025.06.30-1","2025.07.21-1","2025.08.11-1","2025.08.11-1~bpo13+1","2025.08.20-1","2025.08.22-1","2025.08.27-1","2025.08.27-1~bpo13+1","2025.09.05-1","2025.09.05-1~bpo13+1","2025.09.23-1","2025.09.26-1","2025.09.26-1~bpo13+1","2025.10.14-1","2025.10.14-1~bpo13+1","2025.10.22-1","2025.10.22-1~bpo13+1","2025.11.12-1","2025.11.12-1~bpo13+1","2025.12.08-1","2025.12.08-1~bpo13+1","2026.01.31-1","2026.01.31-1~bpo13+1","2026.02.21-1","2026.02.21-1~bpo13+1","2026.03.03-1","2026.03.03-1~bpo13+1","2026.03.13-1","2026.03.13-1~bpo13+1","2026.03.17-1","2026.03.17-1~bpo13+1","2026.06.09-1","2026.06.09-1~bpo13+1","2026.07.04-1","2026.07.04-1~bpo13+1","2026.08.19-1","2026.08.19-1~bpo13+1","2026.10.21-1","2026.10.21-1~bpo13+1","2026.10.26-1"]},{"source":"osv","ecosystem":"Debian:13","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01-1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"yt-dlp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2024.07.01"}]}],"versions":["2021.1.15","2021.1.15.post1","2021.1.16","2021.1.20","2021.1.24","2021.1.24.post1","2021.1.29","2021.10.10","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//securitylab.github.com/advisories/GHSL-2024-089_youtube-dl/","tags":["x_refsource_MISC","x_transferred","advisory"]},{"url":"https://github.com/ytdl-org/youtube-dl/pull/32830","tags":["x_refsource_MISC","x_transferred","fix","web"]},{"url":"https://github.com/ytdl-org/youtube-dl/commit/d42a222ed541b96649396ef00e19552aef0f09ec","tags":["x_refsource_MISC","x_transferred","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38519","tags":["advisory"]},{"url":"https://securitylab.github.com/advisories/GHSL-2024-089_youtube-dl","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-79w7-vh3h-8g4j","tags":["advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2024-38519","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38519.json","tags":["advisory"]},{"url":"https://github.com/ytdl-org/youtube-dl","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2024-38519","tags":["advisory"]},{"url":"https://github.com/yt-dlp/yt-dlp","tags":["package"]},{"url":"https://pypi.org/project/yt-dlp","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2024-38519","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-38519","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2024-38519","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2024-38519","title":"yt-dlp and youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T13:47:36.399Z","modified":"2024-08-02T04:12:25.618Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:34:16.007021Z"}],"euvd":[{"id":"EUVD-2024-2285","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T13:47:36Z","modified":"2024-08-02T04:12:25Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:18.462935Z"}],"ghsa":[{"id":"GHSA-79w7-vh3h-8g4j","title":"yt-dlp File system modification and RCE through improper file-extension sanitization","description":"### Summary\n`yt-dlp` does not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` also reads config from the working directory (and on Windows executables will be executed from the yt-dlp directory) this could lead to arbitrary code being executed.\n\n### Patches\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions.\nThis means some very uncommon extensions might not get downloaded; however, it will also limit the possible exploitation surface.\n\n### Workarounds\nIt is recommended to upgrade yt-dlp to version 2024.07.01 as soon as possible, **always** have `.%(ext)s` at the end of the output template, and make sure you trust the websites that you are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like your user directory, `system32`, or other binaries locations.\n\nFor users not able to upgrade:\n- Make sure the extension of the media to download is a common video/audio/sub/... one\n- Try to avoid the generic extractor (`--ies default,-generic`)\n- Keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`)\n- Omit any of the subtitle options (`--write-subs`, `--write-auto-subs`, `--all-subs`, `--write-srt`)\n- Use `--ignore-config --config-location ...` to not load config from common locations\n\n### Details\nOne potential exploitation might look like this:\n\nFrom a mimetype we do not know, we default to trimming the leading bit and using the remainder. Given a webpage that contains\n```html\n\u003cscript type=\"application/ld+json\"\u003e\n{\n    \"@context\": \"https://schema.org\",\n    \"@type\": \"VideoObject\",\n    \"name\": \"ffmpeg\",\n    \"encodingFormat\": \"video/exe\",\n    \"contentUrl\": \"https://example.com/video.mp4\"\n}\n\u003c/script\u003e\n```\nthis will try and download a file called `ffmpeg.exe` (`-o \"%(title)s.%(ext)s`).\n`ffmpeg.exe` will be searched for in the current directory, and so upon the next run arbitrary code can be executed.\n\nAlternatively, when engineering a file called `yt-dlp.conf` to be created, the config file could contain `--exec ...` and so would also execute arbitrary code.\n\n### Acknowledgement\nA big thanks to @JarLob for independently finding a new application of the same underlying issue.\nMore can be read about on the dedicated GitHub Security Lab disclosure here: [Path traversal saving subtitles (GHSL-2024-090)](\u003chttps://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\u003e)\n\n### References\n- https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-79w7-vh3h-8g4j\n- https://nvd.nist.gov/vuln/detail/CVE-2024-38519\n- https://github.com/yt-dlp/yt-dlp/releases/tag/2024.07.01\n- https://github.com/yt-dlp/yt-dlp/commit/5ce582448ececb8d9c30c8c31f58330090ced03a\n- https://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\n","status":"published","published":"2024-07-02T15:58:35Z","modified":"2024-07-05T17:54:54Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434","CWE-669"],"updated_at":"2026-11-02T14:37:55.455438Z"}],"nvd":[{"id":"CVE-2024-38519","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T14:15:13.737Z","modified":"2026-06-17T07:40:27.58Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T14:10:10.545705Z"}],"osv":[{"id":"ALPINE-CVE-2024-38519","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T14:15:13.737Z","modified":"2026-11-03T06:32:45.460586373Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:02.90744Z"},{"id":"CVE-2024-38519","title":"yt-dlp and youtube-dl vulnerable to file system modification and RCE through improper file-extension sanitization","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.\n\n\n\n\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T13:47:36.399Z","modified":"2026-10-28T02:30:23.751472952Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-669"],"updated_at":"2026-11-02T15:44:41.133403Z"},{"id":"DEBIAN-CVE-2024-38519","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed.     `yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T14:15:13.737Z","modified":"2026-11-02T12:02:43.206135795Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:42.835825Z"},{"id":"GHSA-79w7-vh3h-8g4j","title":"yt-dlp File system modification and RCE through improper file-extension sanitization","description":"### Summary\n`yt-dlp` does not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` also reads config from the working directory (and on Windows executables will be executed from the yt-dlp directory) this could lead to arbitrary code being executed.\n\n### Patches\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions.\nThis means some very uncommon extensions might not get downloaded; however, it will also limit the possible exploitation surface.\n\n### Workarounds\nIt is recommended to upgrade yt-dlp to version 2024.07.01 as soon as possible, **always** have `.%(ext)s` at the end of the output template, and make sure you trust the websites that you are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like your user directory, `system32`, or other binaries locations.\n\nFor users not able to upgrade:\n- Make sure the extension of the media to download is a common video/audio/sub/... one\n- Try to avoid the generic extractor (`--ies default,-generic`)\n- Keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`)\n- Omit any of the subtitle options (`--write-subs`, `--write-auto-subs`, `--all-subs`, `--write-srt`)\n- Use `--ignore-config --config-location ...` to not load config from common locations\n\n### Details\nOne potential exploitation might look like this:\n\nFrom a mimetype we do not know, we default to trimming the leading bit and using the remainder. Given a webpage that contains\n```html\n\u003cscript type=\"application/ld+json\"\u003e\n{\n    \"@context\": \"https://schema.org\",\n    \"@type\": \"VideoObject\",\n    \"name\": \"ffmpeg\",\n    \"encodingFormat\": \"video/exe\",\n    \"contentUrl\": \"https://example.com/video.mp4\"\n}\n\u003c/script\u003e\n```\nthis will try and download a file called `ffmpeg.exe` (`-o \"%(title)s.%(ext)s`).\n`ffmpeg.exe` will be searched for in the current directory, and so upon the next run arbitrary code can be executed.\n\nAlternatively, when engineering a file called `yt-dlp.conf` to be created, the config file could contain `--exec ...` and so would also execute arbitrary code.\n\n### Acknowledgement\nA big thanks to @JarLob for independently finding a new application of the same underlying issue.\nMore can be read about on the dedicated GitHub Security Lab disclosure here: [Path traversal saving subtitles (GHSL-2024-090)](\u003chttps://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\u003e)\n\n### References\n- https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-79w7-vh3h-8g4j\n- https://nvd.nist.gov/vuln/detail/CVE-2024-38519\n- https://github.com/yt-dlp/yt-dlp/releases/tag/2024.07.01\n- https://github.com/yt-dlp/yt-dlp/commit/5ce582448ececb8d9c30c8c31f58330090ced03a\n- https://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\n","status":"published","published":"2024-07-02T15:58:35Z","modified":"2026-07-07T17:56:26.270897102Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434","CWE-669"],"updated_at":"2026-11-02T15:46:41.002603Z"},{"id":"PYSEC-2026-2065","title":"yt-dlp File system modification and RCE through improper file-extension sanitization","description":"### Summary\n`yt-dlp` does not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` also reads config from the working directory (and on Windows executables will be executed from the yt-dlp directory) this could lead to arbitrary code being executed.\n\n### Patches\n`yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions.\nThis means some very uncommon extensions might not get downloaded; however, it will also limit the possible exploitation surface.\n\n### Workarounds\nIt is recommended to upgrade yt-dlp to version 2024.07.01 as soon as possible, **always** have `.%(ext)s` at the end of the output template, and make sure you trust the websites that you are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like your user directory, `system32`, or other binaries locations.\n\nFor users not able to upgrade:\n- Make sure the extension of the media to download is a common video/audio/sub/... one\n- Try to avoid the generic extractor (`--ies default,-generic`)\n- Keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`)\n- Omit any of the subtitle options (`--write-subs`, `--write-auto-subs`, `--all-subs`, `--write-srt`)\n- Use `--ignore-config --config-location ...` to not load config from common locations\n\n### Details\nOne potential exploitation might look like this:\n\nFrom a mimetype we do not know, we default to trimming the leading bit and using the remainder. Given a webpage that contains\n```html\n\u003cscript type=\"application/ld+json\"\u003e\n{\n    \"@context\": \"https://schema.org\",\n    \"@type\": \"VideoObject\",\n    \"name\": \"ffmpeg\",\n    \"encodingFormat\": \"video/exe\",\n    \"contentUrl\": \"https://example.com/video.mp4\"\n}\n\u003c/script\u003e\n```\nthis will try and download a file called `ffmpeg.exe` (`-o \"%(title)s.%(ext)s`).\n`ffmpeg.exe` will be searched for in the current directory, and so upon the next run arbitrary code can be executed.\n\nAlternatively, when engineering a file called `yt-dlp.conf` to be created, the config file could contain `--exec ...` and so would also execute arbitrary code.\n\n### Acknowledgement\nA big thanks to @JarLob for independently finding a new application of the same underlying issue.\nMore can be read about on the dedicated GitHub Security Lab disclosure here: [Path traversal saving subtitles (GHSL-2024-090)](\u003chttps://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\u003e)\n\n### References\n- https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-79w7-vh3h-8g4j\n- https://nvd.nist.gov/vuln/detail/CVE-2024-38519\n- https://github.com/yt-dlp/yt-dlp/releases/tag/2024.07.01\n- https://github.com/yt-dlp/yt-dlp/commit/5ce582448ececb8d9c30c8c31f58330090ced03a\n- https://securitylab.github.com/advisories/GHSL-2024-090_yt-dlp\n","status":"published","published":"2026-07-07T14:34:36.149029Z","modified":"2026-07-07T17:47:49.330190706Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:55.537808Z"},{"id":"UBUNTU-CVE-2024-38519","description":"`yt-dlp` and `youtube-dl` are command-line audio/video downloaders. Prior to the fixed versions, `yt-dlp` and `youtube-dl` do not limit the extensions of downloaded files, which could lead to arbitrary filenames being created in the download folder (and path traversal on Windows). Since `yt-dlp` and `youtube-dl` also read config from the working directory (and on Windows executables will be executed from the `yt-dlp` or `youtube-dl` directory), this could lead to arbitrary code being executed. `yt-dlp` version 2024.07.01 fixes this issue by whitelisting the allowed extensions. `youtube-dl` fixes this issue in commit `d42a222` on the `master` branch and in nightly builds tagged 2024-07-03 or later. This might mean some very uncommon extensions might not get downloaded, however it will also limit the possible exploitation surface. In addition to upgrading, have `.%(ext)s` at the end of the output template and make sure the user trusts the websites that they are downloading from. Also, make sure to never download to a directory within PATH or other sensitive locations like one's user directory, `system32`, or other binaries locations. For users who are not able to upgrade, keep the default output template (`-o \"%(title)s [%(id)s].%(ext)s`); make sure the extension of the media to download is a common video/audio/sub/... one; try to avoid the generic extractor; and/or use `--ignore-config --config-location ...` to not load config from common locations.","status":"published","published":"2024-07-02T14:15:00Z","modified":"2026-10-17T12:56:36.72306177Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:54.69008Z"},{"id":"openSUSE-SU-2024:14094-1","title":"python310-yt-dlp-2024.07.01-1.1 on GA media","description":"These are all security issues fixed in the python310-yt-dlp-2024.07.01-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-07-03T00:00:00Z","modified":"2026-02-04T03:07:33.954588Z","updated_at":"2026-11-02T16:58:36.662953Z"}]}}