CVE-2020-36133

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder...

8.8 HighFix available

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

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

1.77%Up 1.4 points since Dec 3, 2021

What each source reports

NVD Score used 8.8

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: CVE-2020-36133
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-120
Updated: 2026-11-02

CVE List No score

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: CVE-2020-36133
Updated: 2026-11-02

EUVDEUVD-2020-23711 No score

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: EUVD-2020-23711
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cw3p-3434-gw6r 8.8

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder...

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: GHSA-cw3p-3434-gw6r
CVSS 3.1: 8.8 HighCVSS: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

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: CVE-2020-36133
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

OSVDEBIAN-CVE-2020-36133 8.8

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: DEBIAN-CVE-2020-36133
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-2020-36133 8.8

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h.

Record: UBUNTU-CVE-2020-36133
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

OSVMGASA-2022-0040 No score

Updated aom packages fix security vulnerability

AOM v2.0.1 was discovered to contain a stack buffer overflow via the component src/aom_image.c. (CVE-2020-36129)

AOM v2.0.1 was discovered to contain a NULL pointer dereference via the component av1/av1_dx_iface.c. (CVE-2020-36130)

AOM v2.0.1 was discovered to contain a stack buffer overflow via the component stats/rate_hist.c. (CVE-2020-36131)

AOM v2.0.1 was discovered to contain a global buffer overflow via the component av1/encoder/partition_search.h. (CVE-2020-36133)

AOM v2.0.1 was discovered to contain a NULL pointer dereference via the component rate_hist.c. (CVE-2020-36135)

Record: MGASA-2022-0040
Updated: 2026-11-02

OSVUSN-6447-1 No score

aom vulnerabilities

It was discovered that AOM incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-36130, CVE-2020-36131, CVE-2020-36133, CVE-2020-36135, CVE-2021-30473, CVE-2021-30474, CVE-2021-30475)

Record: USN-6447-1
Updated: 2026-11-02

Affected products

aomedia

Affected packages

Affected packages
Package	Affected	Fixed
`aom` Debian:12	before 3.2.0-1	3.2.0-1
`aom` Debian:13	before 3.2.0-1	3.2.0-1
`aom` Debian:14	before 3.2.0-1	3.2.0-1
`aom` Debian:10 From an advisory covering 7 CVEs	before 1.0.0-3+deb10u1, plus listed versions 1.0.0-3	1.0.0-3+deb10u1
`aom` Debian:11 From an advisory covering 7 CVEs	before 1.0.0.errata1-3+deb11u1, plus listed versions 1.0.0.errata1-3	1.0.0.errata1-3+deb11u1
`aom` Mageia:8 From an advisory covering 5 CVEs	before 2.0.1-3.5.mga8	2.0.1-3.5.mga8
`aom` Ubuntu:20.04:LTS	before 1.0.0.errata1-3+deb11u1build0.20.04.1, plus listed versions 1.0.0-31.0.0.errata1-21.0.0.errata1-2ubuntu31.0.0.errata1-31.0.0.errata1-3build1	1.0.0.errata1-3+deb11u1build0.20.04.1
`aom` Ubuntu:20.04:LTS From an advisory covering 7 CVEs	before 1.0.0.errata1-3+deb11u1build0.20.04.1, plus listed versions 1.0.0-31.0.0.errata1-21.0.0.errata1-2ubuntu31.0.0.errata1-31.0.0.errata1-3build1	1.0.0.errata1-3+deb11u1build0.20.04.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-36133 is a high vulnerability (CVSS 8.8) in Aomedia, published December 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.77%, the 78th percentile. Fixed in aom 3.2.0-1.

References

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