GHSA-hmmr-87qq-258j
wasip3 UDP `send` can deliver a datagram to an address only allowed for receiving
GHSA-hmmr-87qq-258j is a medium vulnerability (CVSS 6.4) in wasmtime-wasi, published October 29, 2026. No source lists public exploit code. Fixed in wasmtime-wasi 48.0.8.
- Severity
- 6.4 MediumCVSS 3.1, OSV
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
48.0.8wasmtime-wasi
Description
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmmr-87qq-258j For more information see the GitHub-hosted security advisory.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wasmtime-wasicrates.io | 48.0.0 up to 48.0.8, 49.0.0 up to 49.0.5, 50.0.0 up to 50.0.1 | 48.0.849.0.550.0.1 |
What each source reports
OSV Score usedRUSTSEC-2026-0420
wasip3 UDP `send` can deliver a datagram to an address only allowed for receiving
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmmr-87qq-258j For more information see the GitHub-hosted security advisory.
- Record
RUSTSEC-2026-0420- CVSS 3.1
- 6.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.