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Debian dsa-6294 : libgcrypt-bin - security update
medium Nessus Plugin ID 316550
Synopsis
The remote Debian host is missing a security-related update.Description
The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6294 advisory.- ------------------------------------------------------------------------- Debian Security Advisory DSA-6294-1 [email protected] 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: [email protected]
Tenable has extracted the preceding description block directly from the Debian security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade the libgcrypt-bin packages.See Also
http://www.nessus.org/u?a1f5868c
https://security-tracker.debian.org/tracker/CVE-2026-41989
Plugin Details
Severity: Medium
ID: 316550
File Name: debian_DSA-6294.nasl
Version: 1.1
Type: Local
Agent: unix
Family: Debian Local Security Checks
Published: 5/25/2026
Updated: 5/25/2026
Supported Sensors: Nessus Agent, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v2
Risk Factor: Medium
Base Score: 5.6
Temporal Score: 4.1
Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:C/A:C
CVSS Score Source: CVE-2026-41989
CVSS v3
Risk Factor: Medium
Base Score: 6.7
Temporal Score: 5.8
Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:debian:debian_linux:libgcrypt-mingw-w64-dev, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:libgcrypt20-dev, p-cpe:/a:debian:debian_linux:libgcrypt20, p-cpe:/a:debian:debian_linux:libgcrypt-bin, p-cpe:/a:debian:debian_linux:libgcrypt20-doc, p-cpe:/a:debian:debian_linux:libgcrypt20-udeb, cpe:/o:debian:debian_linux:13.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 5/22/2026
Vulnerability Publication Date: 4/23/2026
Reference Information
CVE: CVE-2026-41989
IAVA: 2026-A-0403