When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.
Exact source revision recorded 25 Oct 2026 03:17:18 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2025-58189
PublishedWhen Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.
NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-532
Original publisher date fields
published: 2025-10-29T23:16:19.833
lastModified: 2026-10-08T10:10:00.227
1 source CPE criteria · context only
- cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
- Source published
- 29 Oct 2025 23:16:19 UTC
- Source modified
- 8 Oct 2026 10:10:00 UTC
- Observed here
- 25 Oct 2026 03:17:18 UTC
- Source terms
- NIST NVD usage terms; underlying source attribution retained
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0 · Secondary · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N