CVE-2026-64830 FFmpeg 2.1 - 8.1.2 Heap Buffer Overflow via VobSub Subtitle Demuxer

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...

EUVD-2026-47747

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...

CVE-2026-64830

FFmpeg up to 8.1.2 contains a heap buffer overflow in the VobSub subtitle demuxer. A malicious .sub/.idx file with more distinct stream IDs than the fixed-size array bounds in libavformat/mpeg.c can cause unbounded writes beyond the vobsub->q[] boundary via ff_subtitles_queue_insert(), potenti...

CVE-2026-64830 FFmpeg 2.1 - 8.1.2 Heap Buffer Overflow via VobSub Subtitle Demuxer

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...

CVE-2026-64830 FFmpeg 2.1 - 8.1.2 Heap Buffer Overflow via VobSub Subtitle Demuxer

FFmpeg versions 2.1 through 8.1.2 contains a heap buffer overflow vulnerability in the VobSub subtitle demuxer that allows attackers to corrupt adjacent heap memory by supplying a malicious .sub/.idx subtitle file declaring more distinct stream IDs than the fixed-size array bounds in...

PT-2026-63434

Name of the Vulnerable Software and Affected Versions FFmpeg versions 2.1 through 8.1.2 Description A heap buffer overflow exists in the VobSub subtitle demuxer. An attacker can corrupt adjacent heap memory by providing a malicious .sub/.idx subtitle file that declares more distinct stream IDs th...

ANT-2026-TJ0ZJHM6 · ffmpeg · Heap-buffer-overflow

heap-buffer-overflow medium Severity Claude critical · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-TJ0ZJHM6: Heap-buffer-overflow in assenc.c:18...

CVE-2026-54910

FileBrowser Quantum is vulnerable to a path traversal flaw in the subtitlesHandler endpoint (GET /api/media/subtitles) prior to v1.4.3-beta. The vulnerability arises from two user-controlled parameters, path and name, used in filesystem operations without sanitization. The path parameter is passe...

PYSEC-2026-3430 yt-dlp: Dangerous file type creation via insufficient filename sanitization (Bypass of CVE-2024-38519)

Summary A vulnerability exists in yt-dlp that allows a remote attacker to write arbitrary OS-shortcut files such as .desktop, .url, .webloc to the user's filesystem, bypassing the remediation for CVE-2024-38519. Details The fix for CVE-2024-38519 enforced an allowlist for file extensions, in orde...

EUVD-2026-41060

Guardian language-system passes the id GET parameter directly into an unsanitized SQL query in subtitles.php line 16: SELECT id, filename, extension, type FROM files where id = '".$GET'id'."'. An authenticated attacker can perform error-based SQL injection to extract database contents...

CVE-2026-49246

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a specifically crafted MKV file containing forged filename tags can be leveraged to exploit missing path sanitization during playback. Jellyfin treats the MKV file name tag on MKV attachments as trusted and passes it...

Arbitrary Argument Injection

Overview Jellyfin.Common is an a Free Software Media System that puts you in control of managing and streaming your media. Affected versions of this package are vulnerable to Arbitrary Argument Injection via the SubtitleEncoder.ConvertTextSubtitleToSrtInternal process. An attacker can achieve...

CVE-2026-48793

Jellyfin is affected by CVE-2026-48793 prior to version 10.11.10. The issue arises in the subtitle conversion path where SubtitleEncoder.ConvertTextSubtitleToSrtInternal interpolates the subtitle file path into FFmpeg command-line arguments without normalizing the path, allowing injection of arbi...

CVE-2026-48793 Jellyfin: Potential FFmpeg argument injection via unescaped subtitle file path

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a potential FFmpeg argument injection vulnerability exists in the subtitle conversion code path. SubtitleEncoder.ConvertTextSubtitleToSrtInternal SubtitleEncoder.cs, line 382 interpolates the subtitle file path into FFmpeg...

CVE-2026-48793

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a potential FFmpeg argument injection vulnerability exists in the subtitle conversion code path. SubtitleEncoder.ConvertTextSubtitleToSrtInternal SubtitleEncoder.cs, line 382 interpolates the subtitle file path into FFmpeg...

CVE-2026-48793 Jellyfin: Potential FFmpeg argument injection via unescaped subtitle file path

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a potential FFmpeg argument injection vulnerability exists in the subtitle conversion code path. SubtitleEncoder.ConvertTextSubtitleToSrtInternal SubtitleEncoder.cs, line 382 interpolates the subtitle file path into FFmpeg...

CVE-2026-49246

Jellyfin is an open source self hosted media server. Prior to 10.11.10, a specifically crafted MKV file containing forged filename tags can be leveraged to exploit missing path sanitization during playback. Jellyfin treats the MKV file name tag on MKV attachments as trusted and passes it...

PT-2026-52066

Name of the Vulnerable Software and Affected Versions Jellyfin versions prior to 10.11.10 Description Missing path sanitization during playback allows the use of a specially crafted MKV file with forged filename tags to redirect attachment extraction to any absolute path on the disk. This occurs...

PT-2026-52059

Name of the Vulnerable Software and Affected Versions Jellyfin versions prior to 10.11.10 Description An argument injection issue exists in the subtitle conversion process. The function ConvertTextSubtitleToSrtInternal interpolates the subtitle file path into FFmpeg command-line arguments without...

CVE-2026-48055

Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and prior, a high-severity Zip Slip vulnerability was identified in Streambert's subtitle extraction logic. The application does not sanitize archive entry filenames during extraction,...