An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust.
Priority LOW 36CWE-674Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-674.
Summary
An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust. There is infinite recursion because DNS message compression is mishandled.
Why it matters now
EPSS 0.01411 72nd percentileScored 2026-11-07
Fix Fixed trust-dns-proto (crates.io): 0.4.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | trust-dns-proto (crates.io) | before 0.4.3 | 0.4.3 | Patch available | GHSA-369h-pjr2-6wrh |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- trust-dns-proto (crates.io) Vendor— Affected before 0.4.3 Fixed in 0.4.3 Patch available GHSA-369h-pjr2-6wrh
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:*:*:*:*:*:*:*:* | before 0.4.3 | Vulnerable | Trust-dns-proto Project |
| cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.1:*:*:*:*:*:* | 0.5.0 alpha.1 | Vulnerable | Trust-dns-proto Project |
| cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.2:*:*:*:*:*:* | 0.5.0 alpha.2 | Vulnerable | Trust-dns-proto Project |
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:*:*:*:*:*:*:*:* Versions before 0.4.3 Vulnerable ·Trust-dns-proto Project
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.1:*:*:*:*:*:* Versions 0.5.0 alpha.1 Vulnerable ·Trust-dns-proto Project
- cpe:2.3:a:trust-dns-proto_project:trust-dns-proto:0.5.0:alpha.2:*:*:*:*:*:* Versions 0.5.0 alpha.2 Vulnerable ·Trust-dns-proto Project
Remediation
- Fix · GHSA-369h-pjr2-6wrh trust-dns-proto (crates.io) Fixed in 0.4.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20994
- 2026-10-03 Alias added: GHSA-369h-pjr2-6wrh
References
Sources
- CVE-2018-20994 · CVE Program
- CVE-2018-20994 · NVD
- FIRST EPSS
- GHSA-369h-pjr2-6wrh · GitHub Advisory Database · CC BY 4.0
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