{"id":"CVE-2023-6601","aliases":["DEBIAN-CVE-2023-6601","EUVD-2023-58824","GHSA-wj7r-cv36-mxr3","JLSEC-2025-146","SUSE-SU-2026:0198-1","SUSE-SU-2026:0229-1","SUSE-SU-2026:2444-1","SUSE-SU-2026:2445-1","UBUNTU-CVE-2023-6601","openSUSE-SU-2026:10027-1","openSUSE-SU-2026:10028-1","openSUSE-SU-2026:20710-1","openSUSE-SU-2026:21211-1"],"status":"published","title":"Ffmpeg: hls unsafe file extension bypass in ffmpeg","description":"A flaw was found in FFmpeg's HLS demuxer. 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This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.","status":"published","published":"2025-01-06T16:41:14.621Z","modified":"2026-11-07T10:47:20.566803356Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-99"],"updated_at":"2026-11-07T11:15:38.581573Z"},{"id":"DEBIAN-CVE-2023-6601","description":"A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.","status":"published","published":"2025-01-06T17:15:14.217Z","modified":"2026-10-26T18:02:54.314329526Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:41.533064Z"},{"id":"JLSEC-2025-146","title":"A flaw was found in FFmpeg's HLS demuxer","description":"A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.","status":"published","published":"2025-10-19T19:08:53.76Z","modified":"2026-07-18T00:00:20.270989071Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:47:17.805107Z"},{"id":"UBUNTU-CVE-2023-6601","description":"A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.","status":"published","published":"2025-01-06T17:15:00Z","modified":"2026-11-09T12:49:26.572173947Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium"},{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-09T13:27:42.046613Z"},{"id":"openSUSE-SU-2026:10027-1","title":"ffmpeg-4-4.4.6-10.1 on GA media","description":"These are all security issues fixed in the ffmpeg-4-4.4.6-10.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-12T00:00:00Z","modified":"2026-03-23T04:54:21.650066Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"openSUSE-SU-2026:10028-1","title":"ffmpeg-7-7.1.3-1.1 on GA media","description":"These are all security issues fixed in the ffmpeg-7-7.1.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-12T00:00:00Z","modified":"2026-03-23T04:54:21.699703Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"openSUSE-SU-2026:20710-1","title":"Security update for ffmpeg-4","description":"This update for ffmpeg-4 fixes the following issues:\n\nChanges in ffmpeg-4:\n\n- CVE-2025-59728: Fixed out-of-bounds NUL-byte write when calculating the content path in handling of MPEG-DASH manifests (bsc#1251137).\n- CVE-2025-7700: Fixed a NULL Pointer Dereference in the ALS Decoder (bsc#1246790)\n- CVE-2024-36618: Fixed a integer overflow in AVI demuxer (bsc#1234020)\n- CVE-2023-6601: Fixed HLS Unsafe File Extension Bypass (bsc#1220545).\n\n- Update to release 4.4.6\n  * lavc/libx265: unbreak build for X265_BUILD \u003e= 210\n  * ARM: vp9mc: Load only 12 pixels in the 4 pixel wide\n    horizontal filter\n  * rtmpproto: Avoid rare crashes in the `fail:` codepath in\n    rtmp_open\n  * avcodec/snow: Fix off by 1 error in run_buffer\n  * avcodec/mpegvideo_enc: Check FLV1 resolution limits\n","status":"published","published":"2026-05-09T08:50:33Z","modified":"2026-05-11T08:15:31.297138Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"openSUSE-SU-2026:21211-1","title":"Security update for ffmpeg-7","description":"This update for ffmpeg-7 fixes the following issues\n\n- CVE-2026-40962: inadequate CENC subsample bounds checks can lead to an integer overflow (bsc#1262237).\n\nChanges for ffmpeg-7:\n\n- Update to version 7.1.4:\n * Codec, format, filter and various other bugfixes.\n * lavc/aarch64: Fix addp overflow in ff_pred16x16_plane_neon_10\n * swscale/output: Fix integer overflow in yuv2ya16_X_c_template()\n * avformat/avformat: clear FFFormatContext packet queue when\n closing a muxer\n","status":"published","published":"2026-07-02T10:09:47Z","modified":"2026-07-03T11:00:08.005526922Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"SUSE-SU-2026:0198-1","title":"Security update for ffmpeg-4","description":"This update for ffmpeg-4 fixes the following issues:\n\n- CVE-2023-6601: Fixed HLS Unsafe File Extension Bypass (bsc#1220545).\n- CVE-2025-63757: Fixed integer overflow in yuv2ya16_X_c_template() (bsc#1255392).   \n","status":"published","published":"2026-01-21T10:16:19Z","modified":"2026-03-23T04:52:00.061242Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0229-1","title":"Security update for ffmpeg-4","description":"This update for ffmpeg-4 fixes the following issues:\n\n- CVE-2023-6601: Fixed HLS Unsafe File Extension Bypass (bsc#1220545).\n- CVE-2025-63757: Fixed integer overflow in yuv2ya16_X_c_template() (bsc#1255392).\n","status":"published","published":"2026-01-22T12:22:22Z","modified":"2026-03-23T04:52:02.756087Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:2444-1","title":"Security update for ffmpeg-4","description":"This update for ffmpeg-4 fixes the following issues\n\nUpdate to version 4.4.7:\n\n- CVE-2023-6601: HLS Unsafe File Extension Bypass (bsc#1220545).\n- CVE-2024-35366: FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parse_options function of sbgdec.c\n  within the libavformat module. When parsing certain options, the software does not adequately validate the i\n  (bsc#1234030).\n- CVE-2025-1594: stack-based buffer overflow in function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of\n  the component AAC Encoder (bsc#1237561).\n- CVE-2025-9951: heap-based buffer overflow in jpeg2000dec (bsc#1249393).\n- CVE-2025-10256: NULL pointer dereference in Firequalizer filter (bsc#1249431).\n- CVE-2025-63757: accumulation of filtered pixel values can lead to an integer overflow (bsc#1255392).\n- CVE-2026-30997: Denial of Service via out-of-bounds read (bsc#1262047).\n- CVE-2026-40962: inadequate CENC subsample bounds checks can lead to an integer overflow (bsc#1262237).\n","status":"published","published":"2026-06-18T08:51:46Z","modified":"2026-06-19T08:15:05.666357241Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:2445-1","title":"Security update for ffmpeg-4","description":"This update for ffmpeg-4 fixes the following issues\n\nUpdate to version 4.4.7:\n\n- CVE-2023-6601: HLS Unsafe File Extension Bypass (bsc#1220545).\n- CVE-2024-35366: FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parse_options function of sbgdec.c\n  within the libavformat module. When parsing certain options, the software does not adequately validate the i\n  (bsc#1234030).\n- CVE-2025-1594: stack-based buffer overflow in function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of\n  the component AAC Encoder (bsc#1237561).\n- CVE-2025-9951: heap-based buffer overflow in jpeg2000dec (bsc#1249393).\n- CVE-2025-10256: NULL pointer dereference in Firequalizer filter (bsc#1249431).\n- CVE-2025-63757: accumulation of filtered pixel values can lead to an integer overflow (bsc#1255392).\n- CVE-2026-30997: Denial of Service via out-of-bounds read (bsc#1262047).\n- CVE-2026-40962: inadequate CENC subsample bounds checks can lead to an integer overflow (bsc#1262237).\n","status":"published","published":"2026-06-18T08:52:03Z","modified":"2026-06-19T08:15:05.714693843Z","updated_at":"2026-11-02T15:54:04.519245Z"}]}}