Home / mailings [SECURITY] [DSA 6294-1] libgcrypt20 security update
Posted on 22 May 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6294-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
May 22, 2026 https://www.debian.org/security/faq
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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: debian-security-announce@lists.debian.org
