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CVE-2020-9840
In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.
High7.5EPSS 1.0%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
In SwiftNIO Extras before 1.4.1, a logic issue was addressed with improved restrictions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Improper decompression limits may lead to a denial of service
Affected products
- affected unspecified – < SwiftNIO Extras 1.4.1
- affected next of SwiftNIO Extras 1.2.0 – < unspecified
References (1)
- https://github.com/apple/swift-nio-extras/security/advisories/GHSA-xhhr-p2r9-jmm7 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-9840)Record last updated .