CVE-2026-41989
Fixed in a distro release EPSS <1%CVSS 6.7
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.
Products: GnuPG libgcrypt, Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP, Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 10 | libgcrypt | 1.11.0-7.el10_2 |
| AlmaLinux 10 | libgcrypt-devel | 1.11.0-7.el10_2 |
| AlmaLinux 8 | libgcrypt | 1.8.5-8.el8_10 |
| AlmaLinux 8 | libgcrypt-devel | 1.8.5-8.el8_10 |
| AlmaLinux 9 | libgcrypt | 1.10.0-13.el9_8 |
| AlmaLinux 9 | libgcrypt-devel | 1.10.0-13.el9_8 |
| Debian 12 | libgcrypt20 | 1.10.1-3+deb12u1 |
| Debian 13 | libgcrypt20 | 1.11.0-7+deb13u1 |
| Debian 14 | libgcrypt20 | 1.12.2-1 |
| Red Hat Enterprise Linux 10.2 | libgcrypt | 0:1.11.0-7.el10_2 |
| Red Hat Enterprise Linux 10.2 | libgcrypt-debuginfo | 0:1.11.0-7.el10_2 |
| Red Hat Enterprise Linux 10.2 | libgcrypt-debugsource | 0:1.11.0-7.el10_2 |
| Red Hat Enterprise Linux 10.2 | libgcrypt-devel | 0:1.11.0-7.el10_2 |
| Red Hat Enterprise Linux 10.2 | libgcrypt-devel-debuginfo | 0:1.11.0-7.el10_2 |
| Red Hat Enterprise Linux 8 | libgcrypt | 0:1.8.5-8.el8_10 |
| Red Hat Enterprise Linux 8 | libgcrypt-debuginfo | 0:1.8.5-8.el8_10 |
| Red Hat Enterprise Linux 8 | libgcrypt-debugsource | 0:1.8.5-8.el8_10 |
| Red Hat Enterprise Linux 8 | libgcrypt-devel | 0:1.8.5-8.el8_10 |
| Red Hat Enterprise Linux 8 | libgcrypt-devel-debuginfo | 0:1.8.5-8.el8_10 |
| Red Hat Enterprise Linux 9 | libgcrypt | 0:1.10.0-13.el9_8 |
| Red Hat Enterprise Linux 9 | libgcrypt-debuginfo | 0:1.10.0-13.el9_8 |
| Red Hat Enterprise Linux 9 | libgcrypt-debugsource | 0:1.10.0-13.el9_8 |
| Red Hat Enterprise Linux 9 | libgcrypt-devel | 0:1.10.0-13.el9_8 |
| Red Hat Enterprise Linux 9 | libgcrypt-devel-debuginfo | 0:1.10.0-13.el9_8 |
| Red Hat Enterprise Linux eus 10.0 | libgcrypt | 0:1.11.0-5.el10_0.1 |
| Red Hat hummingbird 1 | libgcrypt | 0:1.12.2-1.hum1 |
| Red Hat hummingbird 1 | libgcrypt-devel | 0:1.12.2-1.hum1 |
| Red Hat rhel aus 8.4 | libgcrypt | 0:1.8.5-4.el8_4.1 |
| Red Hat rhel aus 8.6 | libgcrypt | 0:1.8.5-7.el8_6.1 |
| Red Hat rhel e4s 8.8 | libgcrypt | 0:1.8.5-7.el8_8.1 |
| Red Hat rhel e4s 9.2 | libgcrypt | 0:1.10.0-10.el9_2.2 |
| Red Hat rhel e4s 9.4 | libgcrypt | 0:1.10.0-10.el9_4.2 |
| Red Hat rhel eus 9.6 | libgcrypt | 0:1.10.0-11.el9_6.1 |
| Red Hat rhel eus long life 8.4 | libgcrypt | 0:1.8.5-4.el8_4.1 |
| Red Hat rhel eus long life 8.6 | libgcrypt | 0:1.8.5-7.el8_6.1 |
| Red Hat rhel tus 8.8 | libgcrypt | 0:1.8.5-7.el8_8.1 |
| Rocky Linux 10 | libgcrypt | 0:1.11.0-7.el10_2 |
| Rocky Linux 8 | libgcrypt | 0:1.8.5-8.el8_10 |
| Rocky Linux 9 | libgcrypt | 0:1.10.0-13.el9_8 |
| SUSE Linux Enterprise Micro 5.3 | libgcrypt | 1.9.4-150400.6.14.1 |
| SUSE Linux Enterprise Micro 5.4 | libgcrypt | 1.9.4-150400.6.14.1 |
| SUSE Linux Enterprise Micro 5.5 | libgcrypt | 1.9.4-150500.12.6.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | libgcrypt | 1.11.0-150700.5.10.1 |
| SUSE Linux Enterprise Server 16.0 | libgcrypt | 1.12.1-160000.3.1 |
| SUSE Linux Enterprise Server for SAP applications 16.0 | libgcrypt | 1.12.1-160000.3.1 |
| SUSE Linux Micro 6.0 | libgcrypt | 1.10.3-4.1 |
| SUSE Linux Micro 6.1 | libgcrypt | 1.10.3-slfo.1.1_4.1 |
| SUSE Linux Micro 6.2 | libgcrypt | 1.12.1-160000.3.1 |
| Ubuntu 18.04 LTS | libgcrypt20 | no fix |
| Ubuntu 20.04 LTS | libgcrypt20 | no fix |
| Ubuntu 22.04 LTS | libgcrypt20 | 1.9.4-3ubuntu3.2 |
| Ubuntu 24.04 LTS | libgcrypt20 | 1.10.3-2ubuntu0.1 |
| Ubuntu 25.10 | libgcrypt20 | 1.11.0-7ubuntu0.1 |
| Ubuntu 26.04 LTS | libgcrypt20 | 1.12.0-2ubuntu0.1 |
| Ubuntu Pro 16.04 LTS | libgcrypt20 | no fix |
| Ubuntu Pro FIPS-preview 22.04 LTS | libgcrypt20 | no fix |
| Ubuntu Pro FIPS-updates 18.04 LTS | libgcrypt20 | no fix |
| Ubuntu Pro FIPS-updates 20.04 LTS | libgcrypt20 | no fix |
| Ubuntu Pro FIPS-updates 22.04 LTS | libgcrypt20 | 1.9.4-3ubuntu3.2+Fips1 |
| Ubuntu Pro FIPS-updates 24.04 LTS | libgcrypt20 | 1.12.0-2ubuntu0.1~Fips1~rc11 |
| Ubuntu Pro FIPS 18.04 LTS | libgcrypt20 | no fix |
| Ubuntu Pro FIPS 20.04 LTS | libgcrypt20 | no fix |
| openSUSE Leap 16.0 | libgcrypt | 1.12.1-160000.3.1 |