CVE-2023-26489

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 67.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/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

2023-03-08 19:59Z3 YR AGO

Last updated

2025-02-25 14:59Z1 YR AGO

Reserved

2023-02-23

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

dd80cc5a2a885ec601ffa2fe1be2e6fdb1932adbb43c03634f63b358640d48e2

• github.comhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-ff4p-7xrq-q5r8x_refsource_CONFIRM
• github.comhttps://github.com/bytecodealliance/wasmtime/commit/63fb30e4b4415455d47b3da5a19d79c12f4f2d1fx_refsource_MISC
• docs.rshttps://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.static_memory_guard_sizex_refsource_MISC
• docs.rshttps://docs.rs/wasmtime/latest/wasmtime/struct.Config.html#method.static_memory_maximum_sizex_refsource_MISC
• groups.google.comhttps://groups.google.com/a/bytecodealliance.org/g/sec-announce/c/Mov-ItrNJsQx_refsource_MISC