CVE-2020-35965

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.

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.

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)

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.

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

This update for ffmpeg fixes the following issues:

• CVE-2021-3566: Fixed information leak (bsc#1189166).
• CVE-2021-38093: Fixed integer overflow vulnerability in filter_robert() (bsc#1190734)
• CVE-2021-38092: Fixed integer overflow vulnerability in filter_prewitt() (bsc#1190733)
• CVE-2021-38094: Fixed integer overflow vulnerability in filter_sobel() (bsc#1190735)
• CVE-2020-22037: Fixed denial of service vulnerability caused by memory leak in avcodec_alloc_context3() (bsc#1186756)
• CVE-2020-35965: Fixed out-of-bounds write in decode_frame() (bsc#1187852)
• CVE-2020-20892: Fixed an issue with filter_frame() (bsc#1190719)
• CVE-2020-20891: Fixed a buffer overflow vulnerability in config_input() (bsc#1190718)
• CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name (bsc#1190722)
• CVE-2020-20896: Fixed an issue with latm_write_packet() (bsc#1190723)
• CVE-2020-20899: Fixed a buffer overflow vulnerability in config_props() (bsc#1190726)
• CVE-2020-20902: Fixed an out-of-bounds read vulnerabilit long_term_filter() (bsc#1190729)

This update for ffmpeg fixes the following issues:

• CVE-2021-3566: Fixed information leak (bsc#1189166).
• CVE-2021-38093: Fixed integer overflow vulnerability in filter_robert() (bsc#1190734)
• CVE-2021-38092: Fixed integer overflow vulnerability in filter_prewitt() (bsc#1190733)
• CVE-2021-38094: Fixed integer overflow vulnerability in filter_sobel() (bsc#1190735)
• CVE-2020-22037: Fixed denial of service vulnerability caused by memory leak in avcodec_alloc_context3() (bsc#1186756)
• CVE-2020-35965: Fixed out-of-bounds write in decode_frame() (bsc#1187852)
• CVE-2020-20892: Fixed an issue with filter_frame() (bsc#1190719)
• CVE-2020-20891: Fixed a buffer overflow vulnerability in config_input() (bsc#1190718)
• CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name (bsc#1190722)
• CVE-2020-20896: Fixed an issue with latm_write_packet() (bsc#1190723)
• CVE-2020-20899: Fixed a buffer overflow vulnerability in config_props() (bsc#1190726)
• CVE-2020-20902: Fixed an out-of-bounds read vulnerabilit long_term_filter() (bsc#1190729)

This update for ffmpeg fixes the following issues:

• CVE-2022-3109: Fixed null pointer dereference in vp3_decode_frame() (bsc#1206442).
• CVE-2020-22042: Fixed a denial of service vulnerability led by a memory leak in the link_filter_inouts function in libavfilter/graphparser.c. (bsc#1186761)
• CVE-2021-38094: Fixed an integer overflow vulnerability in function filter_sobel in libavfilter/vf_convolution.c (bsc#1190735).
• CVE-2021-38093: Fixed an integer Overflow vulnerability in function filter_robert in libavfilter/vf_convolution.c (bsc#1190734).
• CVE-2021-38092: Fixed an Integer Overflow vulnerability in function filter_prewitt in libavfilter/vf_convolution.c (bsc#1190733).
• CVE-2020-22037: Fixed a denial of service vulnerability due to a memory leak in avcodec_alloc_context3 at options.c (bsc#1186756).
• CVE-2021-3566: Fixed an exposure of sensitive information on ffmpeg version prior to 4.3 (bsc#1189166).
• CVE-2020-35965: Fixed an out-of-bounds write in decode_frame in libavcodec/exr.c (bsc#1187852).
• CVE-2020-20892: Fixed a division by zero in function filter_frame in libavfilter/vf_lenscorrection.c (bsc#1190719).
• CVE-2020-20891: Fixed a buffer overflow vulnerability in function config_input in libavfilter/vf_gblur.c (bsc#1190718).
• CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name in libavfilter/vf_avgblur.c (bsc#1190722).
• CVE-2020-20896: Fixed a NULL pointer dereference in function latm_write_packet in libavformat/latmenc.c (bsc#1190723).
• CVE-2020-20899: Fixed a buffer overflow vulnerability in function config_props in libavfilter/vf_bwdif.c (bsc#1190726).
• CVE-2020-20902: Fixed an out-of-bounds read vulnerability in long_term_filter function in g729postfilter.c (bsc#1190729).

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 would attempt to divide by zero when using Linear Predictive Coding (LPC) or AAC codecs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-20445, CVE-2020-20446, CVE-2020-20453)

It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-20450)

It was discovered that FFmpeg incorrectly handled file conversion to APNG format. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-21041)

It was discovered that FFmpeg incorrectly handled remuxing RTP-hint tracks. A remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-21688)

It was discovered that FFmpeg incorrectly handled certain specially crafted AVI files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-21697)

It was discovered that FFmpeg incorrectly handled writing MOV video tags. An attacker could possibly use this issue to cause a denial of service, obtain sensitive information or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-22015)

It was discovered that FFmpeg incorrectly handled writing MOV files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue affected only Ubuntu 18.04 LTS. (CVE-2020-22016)

It was discovered that FFmpeg incorrectly handled memory when using certain filters. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-22017, CVE-2020-22020, CVE-2020-22022, CVE-2020-22023, CVE-2022-22025, CVE-2020-22026, CVE-2020-22028, CVE-2020-22031, CVE-2020-22032, CVE-2020-22034, CVE-2020-22036, CVE-2020-22042)

It was discovered that FFmpeg incorrectly handled memory when using certain filters. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-22019, CVE-2020-22021, CVE-2020-22033)

It was discovered that FFmpeg incorrectly handled memory when using certain filters. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 21.10. (CVE-2020-22027, CVE-2020-22029, CVE-2020-22030, CVE-2020-22035)

It was discovered that FFmpeg incorrectly handled certain specially crafted JPEG files. An attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2020-22037)

It was discovered that FFmpeg incorrectly performed calculations in EXR codec. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-35965)

It was discovered that FFmpeg did not verify return values of functions init_vlc and init_get_bits. An attacker could possibly use this issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. (CVE-2021-38114, CVE-2021-38171)

It was discovered that FFmpeg incorrectly handled certain specially crafted files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 21.10 and Ubuntu 22.04 LTS. (CVE-2022-1475)