CVE-2026-41989
libgcrypt: Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH cipherte...
CVE-2026-41989 is fixed in 7 products on 1 platform, first by libgcrypt-bin 1.11.0-7ubuntu0.1, released April 22, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
7th percentile
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libgcrypt · Fedora 43 | 1.11.1-4.fc43 | FEDORA-2026-8409145C11 | Apr 27, 2026 |
| libgcrypt · RHEL 10 | 1.11.0-5.el10_0.1 | RHSA-2026:52951 | Apr 23, 2026 |
| libgcrypt · RHEL 8 | 0:1.8.5-8.el8_10 | RHSA-2026:47117 | Aug 13, 2026 |
| libgcrypt · RHEL 9 | 0:1.10.0-13.el9_8 | RHSA-2026:50147 | Aug 5, 2026 |
| libgcrypt · almalinux 10 | 1.11.0-7.el10_2 | ALSA-2026:50144 | Aug 4, 2026 |
| libgcrypt · almalinux 8 | 1.8.5-8.el8_10 | ALSA-2026:47117 | Jul 28, 2026 |
| libgcrypt · almalinux 9 | 1.10.0-13.el9_8 | ALSA-2026:50147 | Aug 4, 2026 |
| libgcrypt · amzn 2023 | 1.10.2-1.amzn2023.0.3 | ALAS2023-2026-1705 | May 25, 2026 |
| libgcrypt · ol 10 | 0:1.11.0-7.el10_2 | ELSA-2026-50144-0 | Aug 4, 2026 |
| libgcrypt · ol 8 | 0:1.8.5-8.el8_10 | ELSA-2026-47117 | Jul 29, 2026 |
| libgcrypt · ol 9 | 0:1.10.0-13.el9_8 | ELSA-2026-50147-0 | Aug 4, 2026 |
| libgcrypt · opensuse-leap 16.0 | 1.12.1-160000.3.1 | OPENSUSE-SU-2026:21387-1 | Jul 20, 2026 |
| libgcrypt · rocky 10 | 0:1.11.0-7.el10_2 | RLSA-2026:50144 | Aug 6, 2026 |
| libgcrypt · rocky 8 | 0:1.8.5-8.el8_10 | RLSA-2026:47117 | Aug 12, 2026 |
| libgcrypt · rocky 9 | 0:1.10.0-13.el9_8 | RLSA-2026:50147 | Aug 6, 2026 |
| libgcrypt · sles 15.7 | 1.11.0-150700.5.10.1 | SUSE-SU-2026:3182-1 | Jul 22, 2026 |
| libgcrypt · sles 16.0 | 1.12.1-160000.3.1 | SUSE-SU-2026:22826-1 | Jul 20, 2026 |
| libgcrypt-bin · Ubuntu 25.10 (questing) | 1.11.0-7ubuntu0.1 | libgcrypt-bin 1.11.0-7ubuntu0.1 | Apr 22, 2026 |
| libgcrypt-bin · Ubuntu 26.04.1 LTS (resolute) | 1.12.0-2ubuntu0.1 | libgcrypt-bin 1.12.0-2ubuntu0.1 | Apr 22, 2026 |
| libgcrypt-debuginfo · Fedora 43 | 1.11.1-4.fc43 | FEDORA-2026-8409145C11 | Apr 27, 2026 |
| libgcrypt-debuginfo · amzn 2023 | 1.10.2-1.amzn2023.0.3 | ALAS2023-2026-1705 | May 25, 2026 |
| libgcrypt-debugsource · Fedora 43 | 1.11.1-4.fc43 | FEDORA-2026-8409145C11 | Apr 27, 2026 |
| libgcrypt-debugsource · amzn 2023 | 1.10.2-1.amzn2023.0.3 | ALAS2023-2026-1705 | May 25, 2026 |
| libgcrypt-devel · Fedora 43 | 1.11.1-4.fc43 | FEDORA-2026-8409145C11 | Apr 27, 2026 |
| libgcrypt-devel · RHEL 8 | 0:1.8.5-8.el8_10 | RHSA-2026:47117 | Aug 13, 2026 |
| libgcrypt-devel · RHEL 9 | 0:1.10.0-13.el9_8 | RHSA-2026:50147 | Aug 5, 2026 |
| libgcrypt-devel · almalinux 10 | 1.11.0-7.el10_2 | ALSA-2026:50144 | Aug 4, 2026 |
| libgcrypt-devel · almalinux 8 | 1.8.5-8.el8_10 | ALSA-2026:47117 | Jul 28, 2026 |
| libgcrypt-devel · almalinux 9 | 1.10.0-13.el9_8 | ALSA-2026:50147 | Aug 4, 2026 |
| libgcrypt-devel · amzn 2023 | 1.10.2-1.amzn2023.0.3 | ALAS2023-2026-1705 | May 25, 2026 |
| libgcrypt-devel · ol 10 | 0:1.11.0-7.el10_2 | ELSA-2026-50144-0 | Aug 4, 2026 |
| libgcrypt-devel · ol 8 | 0:1.8.5-8.el8_10 | ELSA-2026-47117 | Jul 29, 2026 |
| libgcrypt-devel · ol 9 | 0:1.10.0-13.el9_8 | ELSA-2026-50147-0 | Aug 4, 2026 |
| libgcrypt-devel-debuginfo · Fedora 43 | 1.11.1-4.fc43 | FEDORA-2026-8409145C11 | Apr 27, 2026 |
| libgcrypt-devel-debuginfo · amzn 2023 | 1.10.2-1.amzn2023.0.3 | ALAS2023-2026-1705 | May 25, 2026 |
| libgcrypt20 · Debian 12.15 (bookworm) | 1.10.1-3+deb12u1 | DEBIAN-CVE-2026-41989 | May 15, 2026 |
| libgcrypt20 · Debian 13.5 (trixie) | 1.11.0-7+deb13u1 | DEBIAN-CVE-2026-41989 | May 15, 2026 |
| libgcrypt20 · Debian 14 | 1.12.2-1 | DEBIAN-CVE-2026-41989 | May 15, 2026 |
| libgcrypt20 · Ubuntu 22.04.1 LTS (jammy) | 1.9.4-3ubuntu3.2 | libgcrypt20 1.9.4-3ubuntu3.2 | Apr 22, 2026 |
| libgcrypt20 · Ubuntu 24.04.5 LTS (noble) | 1.10.3-2ubuntu0.1 | libgcrypt20 1.10.3-2ubuntu0.1 | Apr 22, 2026 |
| libgcrypt20 · Ubuntu 25.10 (questing) | 1.11.0-7ubuntu0.1 | libgcrypt20 1.11.0-7ubuntu0.1 | Apr 22, 2026 |
| libgcrypt20 · Ubuntu 26.04.1 LTS (resolute) | 1.12.0-2ubuntu0.1 | libgcrypt20 1.12.0-2ubuntu0.1 | Apr 22, 2026 |
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