[security] Go 1.21.5 and Go 1.20.12 are released

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Publishergroups.google.com

Article IDNo stable ID in source URL

Verified snapshot29 Sept 2026, 02:41 UTC

Linked CVEs2

Linked CVE reports

These are source relationships, not a claim that this article fixes every affected product or branch.

CVE-2023-45285Command 'go get' may unexpectedly fallback to insecure git in cmd/go
CVE-2023-39326Denial of service via chunk extensions in net/http

Source and provenance

Original title: [security] Go 1.21.5 and Go 1.20.12 are released. Captured 29 Sept 2026, 02:41 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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