CVE-2020-22040

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash.

Security Fix(es):

Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service(CVE-2020-21041)

A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22023)

Buffer Overflow vulnerability in FFmpeg 4.2 at the lagfun_frame16 function in libavfilter/vf_lagfun.c, which could let a remote malicious user cause Denial of Service.(CVE-2020-22024)

Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_vertically_8 at libavfilter/vf_avgblur.c, which could cause a remote Denial of Service.(CVE-2020-22028)

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.(CVE-2020-22031)

A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in gaussian_blur, which might lead to memory corruption and other potential consequences.(CVE-2020-22032)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22035)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22036)

A Denial of Service vulnerability exists in FFmpeg 4.2 idue to a memory leak in the v_frame_alloc function in frame.c.(CVE-2020-22040)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_buffersrc_add_frame_flags function in buffersrc.(CVE-2020-22041)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_frame_pool_get function in framepool.c.(CVE-2020-22048)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the config_input function in af_acrossover.c.(CVE-2020-22056)

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.(CVE-2020-35965)

A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.(CVE-2025-9951)

FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash.

Security Fix(es):

Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service(CVE-2020-21041)

A heap-based Buffer Overflow vulnerabililty exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_bitplanenoise.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22023)

Buffer Overflow vulnerability in FFmpeg 4.2 at the lagfun_frame16 function in libavfilter/vf_lagfun.c, which could let a remote malicious user cause Denial of Service.(CVE-2020-22024)

Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_vertically_8 at libavfilter/vf_avgblur.c, which could cause a remote Denial of Service.(CVE-2020-22028)

A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.(CVE-2020-22031)

A heap-based Buffer Overflow vulnerability exists FFmpeg 4.2 at libavfilter/vf_edgedetect.c in gaussian_blur, which might lead to memory corruption and other potential consequences.(CVE-2020-22032)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter/vf_bm3d.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22035)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_intra at libavfilter/vf_bwdif.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22036)

A Denial of Service vulnerability exists in FFmpeg 4.2 idue to a memory leak in the v_frame_alloc function in frame.c.(CVE-2020-22040)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_buffersrc_add_frame_flags function in buffersrc.(CVE-2020-22041)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_frame_pool_get function in framepool.c.(CVE-2020-22048)

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the config_input function in af_acrossover.c.(CVE-2020-22056)

decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of errors in calculations of when to perform memset zero operations.(CVE-2020-35965)

A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.(CVE-2025-9951)

A Denial of Service vulnerability exists in FFmpeg 4.2 idue to a memory leak in the v_frame_alloc function in frame.c.

It was discovered that FFmpeg did not properly verify certain input when processing video and audio files. An attacker could possibly use this to send specially crafted input to the application, force a division by zero, and cause a denial of service (application crash). (CVE-2020-20445, CVE-2020-20446, CVE-2020-20453, CVE-2020-20892)

It was discovered that FFmpeg did not properly perform certain bit shift and memory operations. An attacker could possibly use this issue to expose sensitive information. (CVE-2020-20902)

It was discovered that FFmpeg did not properly perform memory management operations in various of its functions. An attacker could possibly use this issue to send specially crafted input to the application and cause a denial of service (application crash) or execute arbitrary code. (CVE-2020-21041, CVE-2020-20451, CVE-2020-21688, CVE-2020-21697, CVE-2020-22020, CVE-2020-22021, CVE-2020-22022, CVE-2020-22025, CVE-2020-22031, CVE-2020-22032, CVE-2020-22037, CVE-2020-22040, CVE-2020-22041, CVE-2020-22042, CVE-2020-22044)

It was discovered that FFmpeg did not properly perform memory management operations in various of its functions. An attacker could possibly use this issue to send specially crafted input to the application and cause a denial of service (application crash) or execute arbitrary code. (CVE-2020-22016, CVE-2020-22046, CVE-2020-22049, CVE-2020-22054)

It was discovered that FFmpeg did not properly perform memory management operations in various of its functions. An attacker could possibly use this issue to send specially crafted input to the application and cause a denial of service (application crash) or execute arbitrary code. (CVE-2020-35965)

It was discovered that FFmpeg did not properly handle data assigned to the tty demuxer. An attacker could possibly use this issue to send specially crafted input to the application and expose sensitive information. (CVE-2021-3566)

It was discovered that FFmpeg did not perform checks on function return values when encoding and formatting input video and audio files. An attacker could possibly use this issue to cause a denial of service (application crash) or execute arbitrary code. (CVE-2021-38114, CVE-2021-38171)

It was discovered that FFmpeg did not properly sanitize function returned data when calculating frame duration values. An attacker could possibly use this issue to cause an assertion failure and then cause a denial of service (application crash). (CVE-2021-38291)

It was discovered that FFmpeg did not properly handle certain inputs in vf_lagfun.c, resulting in a buffer overflow vulnerability. An attacker could possibly use this issue to cause a denial of service via application crash. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-22024)

It was discovered that FFmpeg incorrectly managed memory in avienc.c, resulting in a memory leak. An attacker could possibly use this issue to cause a denial of service via application crash. (CVE-2020-22039)

It was discovered that FFmpeg incorrectly handled certain files due to a memory leak in frame.c. An attacker could possibly use this issue to cause a denial of service via application crash. This issue affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-22040)

It was discovered that FFmpeg incorrectly handled certain files due to a memory leak in fifo.c. An attacker could possibly use this issue to cause a denial of service via application crash. (CVE-2020-22043)

It was discovered that FFmpeg incorrectly handled certain files due to a memory leak in vf_tile.c. If a user or automated system were tricked into processing a specially crafted MOV file, an attacker could possibly use this issue to cause a denial of service. (CVE-2020-22051)

It was discovered that FFmpeg incorrectly handled certain MOV files in timecode.c, leading to an integer overflow. An attacker could possibly use this issue to cause a denial of service using a crafted MOV file. This issue only affected Ubuntu 16.04 LTS. (CVE-2021-28429)