ffmpeg-8.1.2

[Bruce Dubbs]

New point version.

[Joe Locash]

This fixes at least CVE-2026-8461 which is rated as high.

[Joe Locash]

version 8.1.2:
 swscale/x86/rgb_2_rgb: fix uyvytoyuv422 overwrite on odd width
 swscale/aarch64: fix uyvy/yuyv to yuv420p/yuv422p on odd width
 avcodec/snowenc: fix SIGFPE in get_dc() when a block lies outside the plane
 avcodec/snowenc: fix out-of-bounds OBMC read in get_dc() for narrow planes
 (fforge/pr/23505) avformat/tls_gnutls:fix crash when connecting to peer
 libavcodec/jpeg2000htdec: remove trailing whitespace
 libavdevice/alsa.c: fix NULL pointer dereference
 avcodec/libjxlenc: check orientation tag metadata before reading
 avformat/icecast: reject CR/LF in metadata header values
 avfilter/avf_showspectrum: Fix allocation check
 avformat/sctp: add size check in sctp_read() matching sctp_write()
 avcodec/jpeg2000: Fix undefined behavior on ROI shift-up
 aacdec_usac_mps212: reject reserved freq_res value
 avcodec/aac/aacdec_usac_mps212: Off-by-one bounds check in ff_aac_ec_data_deci()
 Update for 8.1.2
 avcodec/snowenc: fix out-of-bounds memcpy in get_block_rd() for narrow planes
 avutil/eval: apply unary sign to print, squish, gauss and lerp
 avcodec/cbs_av1_syntax_template: reset seen_frame_header on sequence headers
 avfilter/convolution: compute user matrix products in unsigned
 avformat/mpegts: use av_fast_realloc() for prg
 avfilter/avf_showcwt: fix DIRECTION_DU EOF fill clearing the wrong rows
 avfilter/avf_showcwt: fix DIRECTION_RL EOF fill clearing the wrong columns
 avfilter/avf_showcwt: avoid undefined float to int conversion of nb_consumed_samples
 avfilter/avf_showcwt: fix out of array read in compute_kernel
 avfilter/v360: compute remap table offsets in 64bit
 avfilter/v360: reject out-of-range dimensions
 swresample/x86/resample: write only int16 in the int16 resampler
 avformat/rtpenc_amr: Check input size
 swscale/ppc: fix ASAN stack-buffer-overflow in yuv2planeX
 swscale/ppc: fix LOAD_FILTER overread in VSX path
 avcodec/sanm: reject codec37 frames taller than the allocated buffer
 avcodec/sanm: reject codec47 frames taller than the allocated buffer
 avfilter: use ff_slice_pos() for per-slice boundary computation
 avfilter: add ff_slice_pos() helper for slice boundaries
 (origin/release/8.1, fforge/release/8.1) avformat/iamf_writer: reject muxing PCM streams
 avfilter/estdif: avoid signed overflow in slice boundary calculation
 swscale: support sliced input with cascaded scaling contexts
 avformat/rtspdec: bound Content-Length in the ANNOUNCE handler to SDP_MAX_SIZE
 avcodec/cbs_h266_syntax_template: reject subpic info with res_change_in_clvs
 avcodec/misc4: Check nb channels
 avcodec/rv10, rv34: check init_get_bits8() before RealVideo bit access
 avformat/http: reject request-line tokens not terminated by whitespace
 avformat/mov: reject out of range ispe dimensions, avoid overflow summing HEIF tile dimensions
 avcodec/agm: validate actual src_y against prev plane in decode_inter_plane
 avformat/dhav: Fix second integer overflow in get_duration()
 fftools/ffmpeg_dec: deep-copy subtitle_header to fix use-after-free
 avcodec/hevc/ps: Check window parameters
 avcodec/hevc/ps: Factor window reading out
 avcodec/truespeech: reject iterations count whose * 240 product overflows 32-bit
 libavcodec/options_table: gamma22 and gamma28 aliases
 avcodec/on2avc: reject subframe count whose * SUBFRAME_SIZE product overflows 32-bit
 avfilter/zmq: initialize send_buf before shared cleanup on parse failure
 avcodec/adpcm: fix signed integer overflow in get_nb_samples()
 avformat/matroskadec: avoid signed overflow in DASH cue time differences
 avcodec/fastaudio: reject subframes count whose * 256 product overflows 32-bit
 avcodec/vc2enc_dwt: avoid signed overflow in the 9/7 DWT lifting
 avcodec/vc2enc_dwt: avoid signed overflow in the 5/3 and Haar DWT
 avformat/dashdec: Fail with any inner stream count being 0
 avcodec/mjpegdec: require progress in AVRn interlaced field loop
 avcodec/mwsc: do not dereference a missing reference frame
 avcodec/misc4: reject invalid sample rate
 swscale/output: avoid signed overflow in yuv2rgba64_1 alpha
 swscale/output: avoid signed overflow in yuv2rgba64_full_1 alpha
 tools/target_dem_fuzzer: do not exit on io_buffer allocation failure
 avformat/gxfenc: Check timecode and propagate error
 swscale/rgb2rgb_template: use unsigned for <<24
 avformat/iamf_parse: bound substream count by remaining OBU size
 avformat/matroskadec: bound TRACKENTRY parsing by max_streams
 avcodec/diracdec: fix heap buffer overflow in edge_emu_buffer
 avformat/rtmppkt: Check recursion depth
 avcodec/tdsc: propagate max_pixels to the JPEG tile decoder
 avcodec/imm5: propagate max_pixels to the H264/HEVC sub-decoders
 avcodec/cri: propagate max_pixels to the JPEG tile decoder
 avcodec/jpeglsdec: only apply color transform to decoded rows
 avcodec/adpcm: require block_align to be a multiple of channels in ADPCM_PSXC init
 avfilter/avf_showcwt: fix out-of-bounds read in du scroll
 avfilter/f_ebur128: avoid signed-int wrap when sizing per-channel cache
 avformat/mov: cap HEIF ICC profile copies via c*max_streams to bound CPU and memory
 avcodec/aac/aacdec_usac: reject explicit usacSamplingFrequency of 0
 avcodec/aac/aacdec_usac: avoid signed overflow in decode_tsd
 avcodec/aac/aacdec: reject decoded frame without a valid sample rate
 avformat/iff: check av_get_packet() result in ANIM branch
 avcodec/cbs_h266_syntax_template: Fix pps_exp_slice_height_in_ctus_minus1 range
 avfilter/vf_scale: split rational multiply
 avcodec/bsf/dts2pts: fix binary tree invariant violation on selective dec_poc
 avfilter/vf_drawtext: Avoid double free in glyph_enu_border_free()
 avfilter/vf_drawtext: plug error-path leaks in measure_text/draw_text
 avfilter/vf_drawtext: shape_text_hb() free allocated things on error
 avfilter/vf_drawtext: avoid double-free of aliased FT_Glyph in glyph_enu_free
 avfilter/vf_drawtext: don't double-free glyph that has been cached in tree
 avfilter/vf_drawtext: always check pixel_mode == FT_PIXEL_MODE_MONO
 avcodec/cook: bound subpacket channel sum against channel count
 avcodec/apv_decode: avoid using apv_cbc
 avformat/mxfdec: Remove unneeded check
 avformat/ftp: Check string used for RNTO
 avformat/ftp: Check for Telnet IAC characters and other non printable ASCII chars
 avformat/ftp: reject CR/LF in the URL path to prevent FTP command injection
 avcodec/jpeg2000dec: Clear header derived variables
 avcodec/bsf/smpte436m_to_eia608: properly frees stuff on errors in ff_smpte436m_to_eia608_filter()
 tests/checkasm/crc: retain offset values between calls
 avformat/avc: Adjust get_ue_golomb() to handle 32 bit
 avformat/whip: require remote DTLS fingerprint in SDP answer
 avcodec/x86/vorbisdsp: change cmpleps to cmpltps in inverse coupling
 avcodec/liboapvenc: derive and validate APV profile from pixel format
 avformat/dashdec: bound manifest reloads and fragment-open retries
 avfilter/af_join: fix wrong loop bound in buffer dedup (use-after-free)
 avcodec/nvenc: fix compatibility with Video Codec SDK 13.1
 avformat/mov: validate APV access unit length before passing to decoder
 avcodec/h264_slice: guard color_frame() against chroma-width underflow
 avcodec/magicyuv: reject slice_height misaligned with chroma vshift
 avcodec/magicyuv: Expand the s->interlaced slice-height sanity check
 avcodec/magicyuv: Fix 1 line MEDIAN slices
 avformat/mxfdec: zero-init Sony MPEG-4 extradata and add padding
 avformat/soxdec: Check sample_rate for nan
 tests/tiny_ssim: fixed mistake in ssim_c1 calculation
 avformat/hls: Check TIME-OFFSET value
 avformat/hls: Check url_offset and size
 avcodec/prores_raw: reject invalid tile alignment values
 avformat/ty: check rec_size
 avformat/ogg: Fix overflow and stale oggvorbis_private values
 avformat/rtpenc_xiph: bail out when the max payload size underflows
 avformat/rtpenc_aac: reject packets smaller than the ADTS header
 avcodec/jpeg2000dec: compute mask in decode_clnpass() like in decode_sigpass()
 avformat/flvdec: Check size at the top of the main loop
 avformat/vividas: fix misaligned access
 avformat/mccdec: dont pass NULL to bytestream2_put_buffer()
 avcodec/g2meet: The stack is EPIC_PIX_STACK_SIZE
 avcodec/h2645_sei: Initialize side data before deallocation
 avfilter/boxblur: Fix off by one errors
 avformat/assenc: Add the missing parentheses
 avcodec/diracdec: Enlarge `mctmp` to cover the worst-case `blheight·ybsep + yblen` rows, and break the MC loop when no output rows remain
 tools/zmqsend: free the AVBprint buffer after using it
 [Wave] Fix issues with unaligned metadata chunks.
 avformat/mpegts: Dont assume fc->priv_data is a MpegTSContext
 fftools/graph: Add missing include "libavutil/mem.h" for fftools/graph/graphprint.c
 avcodec/cbs_h266_syntax_template: tighten sh_num_tiles_in_slice_minus1 upper bound
 avcodec/hevc: limit missing-ref fill to coded planes
 avformat/mov: Fix negative index given to can_seek_to_key_sample()
 avcodec/hdrdec: fix pixel count decrement in RLE decompress loop
 (fforge/pr/23464) forgejo/workflows: update test workflow for 8.1 release
 (fforge/pr/23445) aarch64: vp9lpf: Fix GCS violations
 (fforge/pr/23303) avformat/mov: don't abort on unsupported or invalid chnl boxes
 avformat/mov_chan: keep the layout untouched on chan/chnl box failure
 (fforge/pr/23240) avformat/oggparsevorbis.c: Prevent integer overflow when summing header lengths; add bounds check.
 (fforge/pr/23187) avformat/oggparsecelt: bound extra_headers to avoid an effectively infinite loop
 (fforge/pr/23111) avformat/demux: use correct close function for custom io
 avformat/hlsenc: use correct close function for custom io
 avformat/hlsenc: respect io_open set in AVFormatContext
 avformat/dashenc: respect io_open set in AVFormatContext
 avformat/dashdec: respect io_open set in AVFormatContext
 vulkan: fix using encode caps before querying
 avformat/rtpdec_av1: fix buffer overflow due to variable confusion

Fixed at c8195d1890. Leaving open for SA.

[Bruce Dubbs]

Security advisory sa-13.0-147 has been created for this package.