CVE-2020-36430

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

1.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-07-20 06:47Z5 YR AGO

Last updated

2024-08-04 17:30Z2 YR AGO

Reserved

2021-07-20

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

Data version

5.1

Document digest

05a02a2ef1da416324d01f70844cbc7adfc756dae797d51948d07303cba39e49

• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yamlx_refsource_MISC
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674x_refsource_MISC
• github.comhttps://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2022-2af150223ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202208-13https://security.gentoo.org/glsa/202208-13vendor-advisoryx_refsource_GENTOO