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Fencer Vulns
high 8.8

CVE-2020-36131 json

AOM v2.0.1 was discovered to contain a stack buffer overflow via the component stats/rate_hist.c.

published 2021-12-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23709

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

AOM v2.0.1 was discovered to contain a stack buffer overflow via the component stats/rate_hist.c.

Patch / fix

  • aom Debian 14, Debian 13, Debian 12 3.2.0-1

debian advisories DEBIAN-CVE-2020-36131

  • aom Ubuntu 20.04 LTS 1.0.0.errata1-3+deb11u1build0.20.04.1

ubuntu advisories UBUNTU-CVE-2020-36131

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libaom SLE Module for Desktop Applications 15 SP3, SLE Module for Desktop Applications 15 SP2 1.0.0-3.9.1

suse advisories SUSE-SU-2021:4170-1

  • libaom openSUSE Leap 15.2 1.0.0-lp152.3.9.1
  • libaom openSUSE Leap 15.3 1.0.0-3.9.1

opensuse advisories openSUSE-SU-2021:1624-1openSUSE-SU-2021:4170-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-36131 updated cvss 8.8

aom: stack-based buffer overflow in stats/rate_hist.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.chromium.org https://bugs.chromium.org/p/aomedia/issues/detail?id=2911&q=&can=1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.