CVE-2020-12284

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.76% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-04-28 05:16Z6 YR AGO

Last updated

2024-08-04 11:48Z2 YR AGO

Reserved

2020-04-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

48d44548ce22a24c277e287888138d92e5672008c2685d26a3c95bfdc0ad6275

• github.comhttps://github.com/FFmpeg/FFmpeg/commit/1812352d767ccf5431aa440123e2e260a4db2726x_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19734x_refsource_MISC
• www.debian.orgDSA-4722https://www.debian.org/security/2020/dsa-4722vendor-advisoryx_refsource_DEBIAN
• usn.ubuntu.comUSN-4431-1https://usn.ubuntu.com/4431-1/vendor-advisoryx_refsource_UBUNTU
• security.gentoo.orgGLSA-202007-58https://security.gentoo.org/glsa/202007-58vendor-advisoryx_refsource_GENTOO
• github.comhttps://github.com/FFmpeg/FFmpeg/commit/a3a3730b5456ca00587455004d40c047f7b20a99x_refsource_MISC