Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1705 advisory.

    Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted     ECDH ciphertext to gcry_pk_decrypt. (CVE-2026-41989)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8409145c11 advisory.

    Fix CVE-2026-41989 (#2461782)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-9a79c58afd advisory.

    New upstream release (#2458643) fixing CVE-2026-41989 (#2461782)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted     ECDH ciphertext to gcry_pk_decrypt. (CVE-2026-41989)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
315026	Amazon Linux 2023 : libgcrypt, libgcrypt-devel (ALAS2023-2026-1705)	Nessus	Amazon Linux Local Security Checks	medium
311164	Fedora 43 : libgcrypt (2026-8409145c11)	Nessus	Fedora Local Security Checks	medium
311104	Fedora 44 : libgcrypt (2026-9a79c58afd)	Nessus	Fedora Local Security Checks	medium
309928	Linux Distros Unpatched Vulnerability : CVE-2026-41989	Nessus	Misc.	medium

Detections

Analytics

CVE-2026-41989

medium

Tenable Plugins

medium

medium

medium

medium