CVE-2020-22035
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
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.
- Record
CVE-2020-22035- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-22035- Updated
- 2026-11-02
EUVDEUVD-2020-14801 No score
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.
- Record
EUVD-2020-14801- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65wf-3g9g-g8cm
8.8
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in get_block_row at libavfilter...
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.
- Record
GHSA-65wf-3g9g-g8cm- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
8.8
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.
- Record
CVE-2020-22035- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-22035
8.8
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.
- Record
DEBIAN-CVE-2020-22035- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVOESA-2026-3287
8.8
ffmpeg security update
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)
- Record
OESA-2026-3287- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2026-3288
8.8
ffmpeg security update
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)
- Record
OESA-2026-3288- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-22035
8.8
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.
- Record
UBUNTU-CVE-2020-22035- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUSN-5472-1 No score
ffmpeg vulnerabilities
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)
- Record
USN-5472-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegDebian:12 |
before 7:4.3-2 | 7:4.3-2 |
ffmpegDebian:13 |
before 7:4.3-2 | 7:4.3-2 |
ffmpegDebian:14 |
before 7:4.3-2 | 7:4.3-2 |
ffmpegDebian:10 |
before 7:4.1.8-0+deb10u1, plus listed versions 7:4.1.3-17:4.1.4-17:4.1.4-1~deb10u17:4.1.6-1~deb10u1 |
7:4.1.8-0+deb10u1 |
ffmpegopenEuler:20.03-LTS-SP4 |
before 4.2.4-46.oe2003sp4 | 4.2.4-46.oe2003sp4 |
ffmpegopenEuler:22.03-LTS-SP4 |
before 4.2.4-46.oe2203sp4 | 4.2.4-46.oe2203sp4 |
qtwebengine-opensource-srcUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 5.9.1+dfsg-45.9.1+dfsg-4ubuntu15.9.2+dfsg-2ubuntu15.9.3+dfsg-0ubuntu15.9.4+dfsg-0ubuntu15.9.5+dfsg-0ubuntu25.9.5+dfsg-0ubuntu2+esm1 |
None known |
ffmpegUbuntu:20.04:LTS |
before 7:4.2.7-0ubuntu0.1, plus listed versions 7:4.1.4-1build27:4.2.1-27:4.2.1-2ubuntu17:4.2.2-1build17:4.2.2-1ubuntu17:4.2.4-1ubuntu0.1 |
7:4.2.7-0ubuntu0.1 |
qtwebengine-opensource-srcUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 5.12.4+dfsg-1ubuntu15.12.4+dfsg-1ubuntu35.12.5+dfsg-3ubuntu15.12.5+dfsg-6ubuntu25.12.5+dfsg-7 Show 4 moreShow less5.12.5+dfsg-7build15.12.8+dfsg-0ubuntu15.12.8+dfsg-0ubuntu1.15.12.8+dfsg-0ubuntu1.1+esm1 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 5.15.6+dfsg-15.15.6+dfsg-25.15.7+dfsg-25.15.8+dfsg-15.15.8+dfsg-1build1 Show 4 moreShow less5.15.8+dfsg-1build25.15.8+dfsg-25.15.9+dfsg-15.15.9+dfsg-1ubuntu0.1~esm1 |
None known |
Show 6 moreShow less
| Package | Affected | Fixed |
|---|---|---|
qtwebengine-opensource-srcUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 5.15.15+dfsg-25.15.15+dfsg-2build25.15.15+dfsg-2ubuntu15.15.16+dfsg-15.15.16+dfsg-1ubuntu25.15.16+dfsg-1ubuntu45.15.16+dfsg-35.15.16+dfsg-3ubuntu0.1~esm1 |
None known |
qtwebengine-opensource-srcUbuntu:25.10 |
All versions, plus listed versions 5.15.18+dfsg-25.15.18+dfsg-2build15.15.19+dfsg-15.15.19+dfsg2-1 |
None known |
qtwebengine-opensource-srcUbuntu:26.10 |
All versions, plus listed versions 5.15.19+dfsg2-45.15.19+dfsg2-65.15.19+dfsg2-7 |
None known |
qtwebengine-opensource-srcUbuntu:Pro:26.04:LTS |
All versions, plus listed versions 5.15.19+dfsg2-15.15.19+dfsg2-1build15.15.19+dfsg2-25.15.19+dfsg2-35.15.19+dfsg2-45.15.19+dfsg2-4ubuntu0.1~esm1 |
None known |
ffmpegUbuntu:18.04:LTS |
before 7:3.4.11-0ubuntu0.1, plus listed versions 7:3.3.4-27:3.3.4-2build37:3.4-2ubuntu27:3.4-47:3.4-4build1 Show 8 moreShow less7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-27:3.4.4-0ubuntu0.18.04.17:3.4.6-0ubuntu0.18.04.17:3.4.8-0ubuntu0.2 |
7:3.4.11-0ubuntu0.1 |
ffmpegUbuntu:22.04:LTS |
before 7:4.4.2-0ubuntu0.22.04.1, plus listed versions 7:4.4-6ubuntu57:4.4.1-2ubuntu17:4.4.1-3ubuntu17:4.4.1-3ubuntu27:4.4.1-3ubuntu37:4.4.1-3ubuntu5 |
7:4.4.2-0ubuntu0.22.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-22035 is a high vulnerability (CVSS 8.8) in Ffmpeg, published June 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in ffmpeg 7:4.3-2.
References
trac.ffmpeg.org/ticket/8262
debian.org/security/2021/dsa-4990
nvd.nist.gov/vuln/detail/CVE-2020-22035
github.com/advisories/GHSA-65wf-3g9g-g8cm
security-tracker.debian.org/tracker/CVE-2020-22035
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-3287
Show 50 moreShow less
nvd.nist.gov/vuln/detail/CVE-2020-21041
nvd.nist.gov/vuln/detail/CVE-2020-22023
nvd.nist.gov/vuln/detail/CVE-2020-22024
nvd.nist.gov/vuln/detail/CVE-2020-22028
nvd.nist.gov/vuln/detail/CVE-2020-22031
nvd.nist.gov/vuln/detail/CVE-2020-22032
nvd.nist.gov/vuln/detail/CVE-2020-22036
nvd.nist.gov/vuln/detail/CVE-2020-22040
nvd.nist.gov/vuln/detail/CVE-2020-22041
nvd.nist.gov/vuln/detail/CVE-2020-22048
nvd.nist.gov/vuln/detail/CVE-2020-22056
nvd.nist.gov/vuln/detail/CVE-2020-35965
nvd.nist.gov/vuln/detail/CVE-2025-9951
openeuler.org/zh/security/security-bulletins/detail?id=openEuler-SA-2026-3288
ubuntu.com/security/CVE-2020-22035
ubuntu.com/security/notices/USN-5472-1
cve.org/CVERecord?id=CVE-2020-22035
ubuntu.com/security/CVE-2020-20445
ubuntu.com/security/CVE-2020-20446
ubuntu.com/security/CVE-2020-20450
ubuntu.com/security/CVE-2020-20453
ubuntu.com/security/CVE-2020-21041
ubuntu.com/security/CVE-2020-21688
ubuntu.com/security/CVE-2020-21697
ubuntu.com/security/CVE-2020-22015
ubuntu.com/security/CVE-2020-22016
ubuntu.com/security/CVE-2020-22017
ubuntu.com/security/CVE-2020-22019
ubuntu.com/security/CVE-2020-22020
ubuntu.com/security/CVE-2020-22021
ubuntu.com/security/CVE-2020-22022
ubuntu.com/security/CVE-2020-22023
ubuntu.com/security/CVE-2020-22025
ubuntu.com/security/CVE-2020-22026
ubuntu.com/security/CVE-2020-22027
ubuntu.com/security/CVE-2020-22028
ubuntu.com/security/CVE-2020-22029
ubuntu.com/security/CVE-2020-22030
ubuntu.com/security/CVE-2020-22031
ubuntu.com/security/CVE-2020-22032
ubuntu.com/security/CVE-2020-22033
ubuntu.com/security/CVE-2020-22034
ubuntu.com/security/CVE-2020-22036
ubuntu.com/security/CVE-2020-22037
ubuntu.com/security/CVE-2020-22042
ubuntu.com/security/CVE-2020-35965
ubuntu.com/security/CVE-2021-38114
ubuntu.com/security/CVE-2021-38171
ubuntu.com/security/CVE-2021-38291
ubuntu.com/security/CVE-2022-1475