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Bump Go toolchain to 1.26.3 to address Snyk findings#3

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twmb wants to merge 2 commits into
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tb/snyk-go-1.26.3
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Bump Go toolchain to 1.26.3 to address Snyk findings#3
twmb wants to merge 2 commits into
mainfrom
tb/snyk-go-1.26.3

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@twmb twmb commented May 10, 2026

Summary

Bumps the Go directive in go.mod from 1.20 to 1.26.3 to address Snyk HIGH stdlib findings:

  • CVE-2026-33811 Double Free in std/net (GO-2026-4981)
  • CVE-2026-39836 Uncaught Exception in std/net (GO-2026-4971)
  • CVE-2026-33814 Infinite loop in std/net/http (GO-2026-4918)

All three are fixed by Go 1.26.3.

Test plan

  • CI passes
  • Snyk re-scan no longer reports the listed CVEs

twmb added 2 commits May 10, 2026 15:38
- CVE-2026-33811 Double Free in std/net (GO-2026-4981)
- CVE-2026-39836 Uncaught Exception in std/net (GO-2026-4971)
- CVE-2026-33814 Infinite loop in std/net/http (GO-2026-4918)
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