encoding/asn1: pre-allocating memory when parsing DER payload can cause memory exhaustion (CVE-2025-58185) [1.25 backport]

[gopherbot]

@neild requested issue #75671 to be considered for backport to the next 1.25 minor release.

@gopherbot please open backport issues for this security fix

[gopherbot]

Change https://go.dev/cl/709850 mentions this issue: [release-branch.go1.25] encoding/asn1: prevent memory exhaustion when parsing using internal/saferio

[gopherbot]

Closed by merging CL 709850 (commit e0f655b) to release-branch.go1.25.