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FFmpeg

60 known vulnerabilities.

FFmpeg at a glance

Last 12 months
50
Critical · all time
2
Exploited · all time
0
Public exploit · all time
2
New vulnerabilities per month · last 12 months
0 10 20 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 1 vulnerability May 2026: 0 vulnerabilities June 2026: 2 vulnerabilities Jun July 2026: 16 vulnerabilities August 2026: 12 vulnerabilities, 1 critical September 2026: 4 vulnerabilities Sep October 2026: 10 vulnerabilities November 2026: 5 vulnerabilities
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MonthVulnerabilitiesCritical
Nov 202650
Oct 2026100
Sep 202640
Aug 2026121
Jul 2026160
Jun 202620
May 202600
Apr 202610
Mar 202600
Feb 202600
Jan 202600
Dec 202500
Nov 202500
Oct 202570
Sep 202510
Aug 202500
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Jan 202510
Dec 202400

60 results · Feed

  • Medium 5.5

    FFmpeg 2.3 through 9.0.2 Huffyuv Decoder Uninitialized Heap Memory Disclosure

    FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that allows attackers to leak heap memory into decoded pixels via short packed-BGR bitstreams. Attackers can craft a Huffyuv BGR24/BGRA video whose entropy …

  • Medium 5.5

    FFmpeg 4.4 through 9.0.2 Uninitialized Memory Disclosure via CDXL HAM Decoder

    FFmpeg 4.4 through 9.0.2 contains a use of uninitialized variable vulnerability in the CDXL decoder that leaks stack memory into decoded pixels via unfilled HAM palette entries. Attackers can craft a type-0 CDXL file whose HAM pixels select unfilled new_palet…

  • Medium 5.5

    FFmpeg 0.10 through 9.0.2 Uninitialized Memory Disclosure via Sun Raster Decoder

    FFmpeg 0.10 through 9.0.2 contains a use of uninitialized resource vulnerability in sunrast_decode_frame() that leaks heap memory when decoding truncated 1-bit and 4-bit paletted Sun Raster images. Attackers can craft a truncated Sun Raster file so the unclea…

  • Medium 5.5

    FFmpeg 2.1 through 9.0.2 Uninitialized Memory Leak via PCX Decoder

    FFmpeg 2.1 through 9.0.2 contains a use of uninitialized resource vulnerability in the PCX decoder that allows attackers to leak heap memory through truncated RLE scanlines. Attackers can craft a PCX image whose RLE data ends early, causing pcx_decode_frame()…

  • Medium 5.5

    FFmpeg 2.0 through 9.0.2 Information Disclosure via G2M Kempf Palette

    FFmpeg 2.0 through 9.0.2 contains a use of uninitialized variable vulnerability in the Go2Meeting decoder that allows attackers to leak stack memory through out-of-range palette indices. Attackers can craft a G2M3/G2M4 stream with a short Kempf palette so kem…

  • Medium 4.3

    FFmpeg 5.0 through 9.0.2 Path Traversal via IMF Demuxer ASSETMAP Path

    FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux…

  • Medium 4.3

    FFmpeg before 8.1.3 HLS Demuxer Security Check Bypass via parse_playlist()

    FFmpeg before 8.1.3 contains a protection mechanism failure in the HLS demuxer that allows attackers to bypass protocol and allowed_extensions restrictions when opening child playlists. Attackers can supply a crafted master playlist whose child playlists use …

  • Medium 5.4

    FFmpeg before 7.1.4 and 8.0.2 SSRF via RTSP Redirect Handling

    FFmpeg before 7.1.4 and 8.0.x before 8.0.2 contains a server-side request forgery vulnerability in ff_rtsp_connect() in libavformat/rtsp.c that follows RTSP 3xx redirects without validating the Location URL. Malicious RTSP servers can redirect FFmpeg to inter…

  • Medium 6.5

    FFmpeg through 9.0.2 Infinite Loop via RTSP Redirect Handling in rtsp.c

    FFmpeg through 9.0.2 contains an infinite loop vulnerability in ff_rtsp_connect() in libavformat/rtsp.c that follows RTSP 3xx redirects without any redirect limit. Attackers controlling an RTSP server can answer every request with a 302 redirect to itself or …

  • Medium 6.5

    FFmpeg before 8.1.3 HLS Demuxer Infinite Loop via Self-Referencing Playlist

    FFmpeg before 8.1.3 contains an infinite loop vulnerability in the HLS demuxer that allows remote attackers to cause denial of service because parse_playlist() accepts Master Playlist tags inside Media Playlists. Attackers can trick victims into opening a cra…

  • Medium 4.7

    FFmpeg through 9.0.2 Stack Exhaustion via Recursive Free of pssh Boxes

    FFmpeg through 9.0.2 contains a stack exhaustion vulnerability in av_encryption_init_info_free() in libavutil/encryption_info.c, which recursively frees AVEncryptionInitInfo linked lists built by the MOV demuxer's mov_read_pssh(). Attackers can supply a craft…

  • Medium 4.7

    FFmpeg through 9.0.2 DASH Demuxer Infinite Loop via Empty SegmentTemplate Media

    FFmpeg through 9.0.2 contains a denial of service vulnerability in the DASH demuxer that allows attackers to trigger an infinite loop by supplying an empty SegmentTemplate media URL. Attackers can craft an .mpd manifest declaring SegmentTemplate media="" so g…

  • Low 3.3

    FFmpeg through 9.0.2 Uninitialized Memory Disclosure via HDR10+ Metadata Serializer

    FFmpeg through 9.0.2 contains an uninitialized memory disclosure vulnerability in av_dynamic_hdr_plus_to_t35() that leaves up to three payload bytes uninitialized when tone_mapping_flag is 0. Attackers can supply crafted Matroska T.35 BlockAdditional or HEVC/…

  • Medium 5.9

    FFmpeg through 9.0.2 Missing SSH Host Key Verification in sftp Protocol

    FFmpeg through 9.0.2 contains a missing host key verification vulnerability in the libssh-based sftp protocol handler that allows network attackers to impersonate SFTP servers. Attackers performing man-in-the-middle, DNS, or ARP spoofing can capture passwords…

  • Medium 4.8

    FFmpeg before 8.1.3 and 9.x before 9.0.2 mbedTLS Hostname Verification Bypass for IP Hosts

    FFmpeg before 8.1.3 and 9.x before 9.0.2 contains an improper certificate validation vulnerability in tls_open() of libavformat/tls_mbedtls.c, which skips hostname checks for IP-address hosts. Network attackers can intercept https, rtmps, or tls connections t…

  • Medium 6.9

    FFmpeg before 9.0 has a signed integer overflow in libavformat/mov.c. In mov_read_ispe(), uint32_t width/height values …

  • Low 2.9

    FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in li…

  • Low 2.9

    FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in…

  • Low 2.9

    FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-b…

  • High 7.1

    FFmpeg Out-of-Bounds Read in AV1 RTP Packetizer via rtpenc_av1.c

    FFmpeg before commit 983dae9 contains an out-of-bounds read in the AV1 RTP packetizer (libavformat/rtpenc_av1.c). The keyframe detection loop that searches for a sequence header OBU advanced its pointer and remaining-size counter by the encoded header length …

  • High 8.1

    FFmpeg Out-of-Bounds Read in DASH Demuxer via dashdec.c

    FFmpeg before commit 65b0dab contains an out-of-bounds read in the DASH demuxer (libavformat/dashdec.c). When a live DASH manifest is refreshed with a startNumber that is lower than the previous value, the current sequence number is driven negative. The fragm…

  • Medium 5.8

    FFmpeg Integer Narrowing Conversion OOB Memory Access in AV1 RTP Packetizer

    FFmpeg before commit b4c199c contains an incorrect integer narrowing conversion in the AV1 RTP packetizer (libavformat/rtpenc_av1.c). The OBU size is cast to long before comparison against the remaining frame size. On targets where long is 32 bits, including …

  • High 7.8

    FFmpeg Heap Buffer Overflow in VC-2/Dirac RTP Packetizer

    FFmpeg before commit 1cdeb3c contains a heap buffer overflow vulnerability in the VC-2/Dirac RTP packetizer (libavformat/rtpenc_vc2hq.c) that allows attackers to trigger memory corruption by supplying a crafted Dirac data unit. The packetizer copies an input-…

  • Critical 9.8

    FFmpeg Heap Buffer Overflow via RIST Protocol Reader

    FFmpeg before commit 1c10bcc contains a heap buffer overflow in the RIST protocol reader (libavformat/librist.c). librist_read() ignored its size argument and copied the full received payload length into the caller-provided destination buffer, overflowing it …

  • High 7.8

    FFmpeg Stack Buffer Overflow in MPEG-PS Muxer via mpegenc.c

    FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer (libavformat/mpegenc.c). When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive …

  • High 7.8

    FFmpeg Heap Buffer Overflow in hvcC Box Writer via HEVC Muxing

    FFmpeg before commit acf5d7c contains a heap buffer overflow in the hvcC box writer. When writing an HEVC configuration record with more NAL units of a single type than the count field can represent, the NAL unit count overflows, causing a heap buffer overflo…

  • High 7.8

    FFmpeg 4.4 < 9.0 Heap Out-of-Bounds Write in CFHD Decoder via AVI Demuxing

    FFmpeg versions from 4.4 up to, but not including, 9.0 contain an out-of-bounds heap write vulnerability in the native GoPro CineForm HD (CFHD) decoder that allows remote attackers to corrupt heap memory by supplying a crafted AVI file during stream probing. …

  • Medium 5.5

    FFmpeg 0.5 < 9.0 Uninitialized Heap Memory Read in TIFF Decoder

    FFmpeg versions from 0.5 up to, but not including, 9.0 contain an uninitialized heap memory disclosure vulnerability in the native TIFF decoder in libavcodec/tiff.c. An attacker who can cause FFmpeg to decode a crafted TIFF file can supply a valid Deflate-com…

  • Medium 5.5

    FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in Screenpresso Decoder

    FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder (libavcodec/screenpresso.c) that allows attackers to recover sensitive memory contents by supplying a crafted SPV…

  • Medium 5.5

    FFmpeg 3.0 < 9.0 Uninitialized Heap Memory Read in RSCC Decoder

    FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native RSCC decoder (libavcodec/rscc.c) that allows attackers to disclose heap memory contents by supplying a crafted video file with a compr…

  • High 7.8

    FFmpeg 0.5 < 9.0 DVB Subtitle Parser Heap Buffer Overflow via WTV File

    FFmpeg versions from 0.5 up to, but not including, 9.0 contain a signed integer overflow vulnerability in the DVB subtitle parser in libavcodec/dvbsub_parser.c that allows attackers to trigger a heap buffer overflow by supplying a crafted WTV file. The overfl…

  • High 8.8

    FFmpeg 7.0 - 8.1.2 Heap Out-of-Bounds Write via vf_quirc Filter

    FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers…

  • High 8.8

    FFmpeg Heap Out-of-Bounds Write via PNG/APNG eXIf Encoder

    FFmpeg through 8.1.2, fixed in commit b506faf, contains a heap out-of-bounds write vulnerability in the native PNG and APNG encoders that allows remote attackers to corrupt heap memory by supplying a crafted PNG image with a malicious eXIf chunk. Attackers ca…

  • High 8.8

    FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File

    FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytes_per_packet value. Attackers can craf…

  • Medium 6.5

    FFmpeg LCL/ZLIB Video Decoder Information Disclosure via lcldec.c

    FFmpeg through 8.1.2, fixed in commit 8670835, contains an information disclosure vulnerability in the LCL/ZLIB video decoder that allows attackers to expose uninitialized heap memory by supplying a valid zlib stream that inflates to fewer bytes than the expe…

  • Medium 6.5

    FFmpeg IAMF Demuxer Uncontrolled Resource Consumption via mix_presentation_obu()

    FFmpeg through 8.1.2, fixed in commit 5d7112c, contains an uncontrolled resource consumption vulnerability in the IAMF demuxer that allows an unauthenticated attacker to cause multi-gigabyte memory allocation from a 17-byte input file by supplying a crafted c…

  • High 8.8

    FFmpeg Heap Out-of-Bounds Write in vf_hqdn3d Filter

    FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vf_hqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases between frames when filtergraph…

  • High 7.8

    FFmpeg 3.0 - 8.1.2 vf_swaprect Out-of-Bounds Write via NV12 Frame Processing

    FFmpeg versions 3.0 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_swaprect video filter that allows attackers to corrupt heap memory by supplying a crafted NV12 video frame with odd width dimensions. The filter_frame() function reuses a…

  • High 7.8

    FFmpeg 3.4 - 8.1.2 vf_floodfill Out-of-Bounds Write via filter_frame()

    FFmpeg versions 3.4 through 8.1.2 contain an out-of-bounds write vulnerability in the vf_floodfill video filter that allows attackers to corrupt heap memory by supplying a dynamically sized video stream with filtergraph reinitialization disabled via -reinit_f…

  • High 7.8

    FFmpeg 8.1.2 Out-of-Bounds Write via TY Demuxer and Shorten Decoder

    FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demux_audio() function decrements packet size without boun…