CVE-2021-32629

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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

2021-05-24 15:35Z5 YR AGO

Last updated

2024-08-03 23:25Z2 YR AGO

Reserved

2021-05-12

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-788Access of Memory Location After End of BufferBase
• CWE-125Out-of-bounds ReadBase
• CWE-681Incorrect Conversion between Numeric TypesBase

Data version

5.1

Document digest

9fd6895acc054631a1b32254a6b110946a144ca83f7d75217be323d18eb97fca

• github.comhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hpqh-2wqx-7qp5x_refsource_CONFIRM
• github.comhttps://github.com/bytecodealliance/wasmtime/commit/95559c01aaa7c061088a433040f31e8291fb09d0x_refsource_MISC
• crates.iohttps://crates.io/crates/cranelift-codegenx_refsource_MISC
• www.fastly.comhttps://www.fastly.com/security-advisories/memory-access-due-to-code-generation-flaw-in-cranelift-modulex_refsource_MISC