LOWCVSS v3.1 2.6Vulnerability
CVE-2026-119133
Wasmtime 47.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a memory misalignment flaw in VMContext layout that causes undefined behavior when modules contain an odd number of exception tags. A WebAssembly module with an odd tag count misaligns subsequent host fields in embedders with exceptions enabled, although no exploitation path is currently known.
Properties
- Severity
- LOW
- Nvd fetched at
- 2026-10-29T19:54:00.882258+00:00
- Cvss severity
- LOW
- Cvss score
- 2.6
- Retrieved at
- 2026-10-29T19:54:43+00:00
- Score
- 2.6
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-119133
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
- First seen by Signal
- 2026-10-29T19:54:43+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
- Published at
- 2026-10-29T16:18:06.423
- Last modified
- 2026-10-29T18:17:30.473
Related Entities (1)
HAS_WEAKNESS (1)
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