Go 1.21.5 fixes a few vulnerabilities. Most notably for boundary is a fix in net/http to limit chunked data overhead. See: https://groups.google.com/g/golang-announce/c/iLGK3x6yuNo (cherry picked from commit 575cd9d63b1ac4787d048d86b0b209c61a7f3946)
Go 1.21.5 fixes a few vulnerabilities. Most notably for boundary is a fix in net/http to limit chunked data overhead. See: https://groups.google.com/g/golang-announce/c/iLGK3x6yuNo (cherry picked from commit 575cd9d63b1ac4787d048d86b0b209c61a7f3946)