CLSA-2026-1778087756 python3: Fix of 2 CVEs

CVE-2026-4519: reject leading dashes in webbrowser URLs to block command-line option injection via webbrowser.open - CVE-2026-4786: validate the post-substitution URL in webbrowser UnixBrowser.open so that "%action" cannot smuggle a dash-prefixed flag past the CVE-2026-4519 dash-prefix check...

OpenJDK: LDAPCertStore following referrals to non-LDAP URLs (Security, 8176067)

It was discovered that the LDAPCertStore class in the Security component of OpenJDK followed LDAP referrals to arbitrary URLs. A specially crafted LDAP referral URL could cause LDAPCertStore to communicate with non-LDAP servers...