symfony (7.4.13+dfsg-1) unstable; urgency=medium [ Fabien Potencier ] * Update VERSION for 7.4.13 [ Nicolas Grekas ] * [HttpClient] Block IPv6 transition forms in NoPrivateNetworkHttpClient [CVE-2026-48736] * [HttpFoundation] Block IPv6 transition forms in IpUtils::PRIVATE_SUBNETS [CVE-2026-48736] * [Mailer] Pin Mailomat webhook signature algorithm to SHA-256 [CVE-2026-48747] * [HtmlSanitizer] Reject percent-encoded BiDi marks and Unicode whitespace in URLs [CVE-2026-48760] * [HtmlSanitizer] Sanitize URL attributes on , ,