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CVE-2020-4068
Heap-based Buffer Overflow in APNSwift
Medium6.3EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
In APNSwift 1.0.0, calling APNSwiftSigner.sign(digest:) is likely to result in a heap buffer overflow. This has been fixed in 1.0.1.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
Affected products
- affected = 1.0.0
References (4)
- https://github.com/kylebrowning/APNSwift/security/advisories/GHSA-qh2w-vjxg-mjcg (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/kylebrowning/APNSwift/issues/31 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kylebrowning/APNSwift/pull/32 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kylebrowning/APNSwift/commit/97fa7f69dcdd89168fff84e0ba8f999881ee3d3f (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-2020-4068)Record last updated .