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CVE-2020-22029

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy...

8.8 HighFix available

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, 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

1.49%Up 1.0 points since May 28, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
CVE-2020-22029
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV: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 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
CVE-2020-22029
Updated
2026-11-02
EUVDEUVD-2020-14795 No score

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
EUVD-2020-14795
Updated
2026-11-03
GitHub AdvisoriesGHSA-x4hf-fhw8-77c9 No score

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy...

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
GHSA-x4hf-fhw8-77c9
Weakness
CWE-787
Updated
2026-11-02
OSV 8.8

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
CVE-2020-22029
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-07
OSVDEBIAN-CVE-2020-22029 8.8

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
DEBIAN-CVE-2020-22029
CVSS 3.1
8.8 HighCVSS: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-2026-2595 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):

FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.(CVE-2020-20450)

Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c.(CVE-2020-20451)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in libavfilter/drawutils.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22017)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 in filter_frame at libavfilter/vf_fieldorder.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22022)

A heap-based Buffer Overflow vulnerability exists in gaussian_blur at libavfilter/vf_edgedetect.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22025)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.(CVE-2020-22029)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/af_afade.c in crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.(CVE-2020-22030)

Record
OESA-2026-2595
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2026-2596 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):

Denial of Service issue in FFmpeg 4.2 due to resource management errors via fftools/cmdutils.c.(CVE-2020-20451)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at ff_fill_rectangle in libavfilter/drawutils.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22017)

A heap-based Buffer Overflow vulnerability exists in gaussian_blur at libavfilter/vf_edgedetect.c, which might lead to memory corruption and other potential consequences.(CVE-2020-22025)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.(CVE-2020-22029)

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/af_afade.c in crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.(CVE-2020-22030)

Record
OESA-2026-2596
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-22029 8.8

A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.

Record
UBUNTU-CVE-2020-22029
CVSS 3.1
8.8 HighCVSS: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

Affected packages
PackageAffectedFixed
ffmpeg
Debian:12
before 7:4.3-2
7:4.3-2
ffmpeg
Debian:13
before 7:4.3-2
7:4.3-2
ffmpeg
Debian:14
before 7:4.3-2
7:4.3-2
ffmpeg
Debian:10
From an advisory covering 31 CVEs
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
ffmpeg
openEuler:20.03-LTS-SP4
From an advisory covering 7 CVEs
before 4.2.4-31.oe2003sp4
4.2.4-31.oe2003sp4
ffmpeg
openEuler:22.03-LTS-SP4
From an advisory covering 5 CVEs
before 4.2.4-29.oe2203sp4
4.2.4-29.oe2203sp4
ffmpeg
Ubuntu: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
ffmpeg
Ubuntu:18.04:LTS
From an advisory covering 34 CVEs
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 less
7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-27:3.4.4-0ubuntu0.18.04.17:3.4.6-0ubuntu0.18.04.17:3.4.8-0ubuntu0.2
7:3.4.11-0ubuntu0.1
ffmpeg
Ubuntu:20.04:LTS
From an advisory covering 34 CVEs
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
ffmpeg
Ubuntu:22.04:LTS
From an advisory covering 34 CVEs
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

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-22029 is a high vulnerability (CVSS 8.8) in Ffmpeg, published May 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in ffmpeg 7:4.3-2.

References

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