security advisorydenial of serviceencryption It was discovered that an incorrect implementation of ECDH encryption (with NIST, Brainpool, X448, or X25519 curves) within Libgcrypt could result in denial of service. For the oldstable distribution (bookworm), this problem has been fixed in version 1.10.1-3+deb12u1.. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6294-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso May 22, 2026 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : libgcrypt20 CVE ID : CVE-2026-41989 It was discovered that an incorrect implementation of ECDH encryption (with NIST, Brainpool, X448, or X25519 curves) within Libgcrypt could result in denial of service. For the oldstable distribution (bookworm), this problem has been fixed in version 1.10.1-3+deb12u1. For the stable distribution (trixie), this problem has been fixed in version 1.11.0-7+deb13u1. We recommend that you upgrade your libgcrypt20 packages. For the detailed security status of libgcrypt20 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libgcrypt20 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it. . An advisory for Debian DSA-6294-1 regarding a denial of service issue with Libgcrypt ECDH encryption implementation.. Debian advisory, libgcrypt security, ECDH encryption, denial of service, security update. . Severity: Important. LinuxSecurity.com Team
May 22, 2026 •Important Debian