OpenSSL June 2026 Security Releases

[Sharpie]

Short description

This changeset brings in the Jun 9th security releases of OpenSSL 3.0 and 3.5:

• 3.5.7: https://github.com/openssl/openssl/releases/tag/openssl-3.5.7
• 3.0.21: https://github.com/openssl/openssl/releases/tag/openssl-3.0.21

Checklist

I have:

• read the CONTRIBUTING.md document
• read and accepted the Developer Certificate of Origin document and added a Signed-off-by annotation to each of my commits
• read and accepted the AI Policy document and added Generated-by or Assisted-by annotations to each of my commits created with the help of an AI agent
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)

[corporate-gadfly]

LGTM. +1.