Red Hat Product Errata RHSA-2026:52952 - Security Advisory Issued: 2026-08-10 Updated: 2026-08-10 RHSA-2026:52952 - Security Advisory Overview Updated Packages Synopsis Moderate: libgcrypt security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for libgcrypt is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The libgcrypt library provides general-purpose implementations of various cryptographic algorithms. Security Fix(es): Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext (CVE-2026-41989) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products Red Hat Enterprise Linux Server - AUS 9.4 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x Fixes BZ - 2461063 - CVE-2026-41989 Libgcrypt: Libgcrypt: Denial of Service and buffer overflow via crafted ECDH ciphertext CVEs CVE-2026-41989 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux Server - AUS 9.4 SRPM libgcrypt-1.10.0-10.el9_4.2.src.rpm SHA-256: 76e2dace11c2879273e87a50a7141b1d6461f55eafa73dfa6a23866a52a0ed3e x86_64 libgcrypt-1.10.0-10.el9_4.2.i686.rpm SHA-256: 9d9ee3ede421b85a0c6328bd137808cbb679837a0b807db53fe624d620ae6bb5 libgcrypt-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 35b59d8a6dac91fcceee95d11d86c5101ee0ec7918695223b1a516ddf585d9f3 libgcrypt-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: ba71f5374624f230a549356af4711b2ee3b0d4fb5c56a3d8157d326c55626d33 libgcrypt-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: ba71f5374624f230a549356af4711b2ee3b0d4fb5c56a3d8157d326c55626d33 libgcrypt-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 07ae06675d089ba64628567ce36a4a26abbc57c86da07afb31260b9629016060 libgcrypt-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 07ae06675d089ba64628567ce36a4a26abbc57c86da07afb31260b9629016060 libgcrypt-debugsource-1.10.0-10.el9_4.2.i686.rpm SHA-256: 495da632bc5aac8ac7e67b923abca12e8fd472f2dc9c5a008e2df0d3d6992408 libgcrypt-debugsource-1.10.0-10.el9_4.2.i686.rpm SHA-256: 495da632bc5aac8ac7e67b923abca12e8fd472f2dc9c5a008e2df0d3d6992408 libgcrypt-debugsource-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 5476640778476a93e175f0a37b14e91925265ae00126d7692601c81779acc38c libgcrypt-debugsource-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 5476640778476a93e175f0a37b14e91925265ae00126d7692601c81779acc38c libgcrypt-devel-1.10.0-10.el9_4.2.i686.rpm SHA-256: 010f702e3d1bfa0db0d71b888807f1c7194fc823b881cc274fb3f4f532a50149 libgcrypt-devel-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 7fa6bcaacb843c88300b8d97bfba873337ca3fdc20487466fcfee81031134bb5 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: 5bc6607962dfb7a1735a5efb56d1c1278ccb592ecc4a224ddd37c0aa6696ce17 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: 5bc6607962dfb7a1735a5efb56d1c1278ccb592ecc4a224ddd37c0aa6696ce17 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: e8f75a26dd502f3b2cb322918a005e50ebedb598df9aa7e6389c47a784f2d13c libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: e8f75a26dd502f3b2cb322918a005e50ebedb598df9aa7e6389c47a784f2d13c Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 SRPM libgcrypt-1.10.0-10.el9_4.2.src.rpm SHA-256: 76e2dace11c2879273e87a50a7141b1d6461f55eafa73dfa6a23866a52a0ed3e ppc64le libgcrypt-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 5589d55bb639bf372333faeed93508d91febc69e3a4bcb994c928bf76ea048d5 libgcrypt-debuginfo-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 1625a861d7e7ec68332aed20b9c150bb577224392cdfeadb8bee20499c269e87 libgcrypt-debuginfo-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 1625a861d7e7ec68332aed20b9c150bb577224392cdfeadb8bee20499c269e87 libgcrypt-debugsource-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 87d7ad7b8ffa9d38a8bd7fa4468ba52f204c028fb84f76dc6df120d85eb9eb72 libgcrypt-debugsource-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 87d7ad7b8ffa9d38a8bd7fa4468ba52f204c028fb84f76dc6df120d85eb9eb72 libgcrypt-devel-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: 660d2cf680f722f877da0f13be6491839e04304c12f9d9b05bdfd71d37a39158 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: da88ab0c7fcdff63cf371ffcf001b592345e98bd0539ec61f94d81b883be2328 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.ppc64le.rpm SHA-256: da88ab0c7fcdff63cf371ffcf001b592345e98bd0539ec61f94d81b883be2328 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 SRPM libgcrypt-1.10.0-10.el9_4.2.src.rpm SHA-256: 76e2dace11c2879273e87a50a7141b1d6461f55eafa73dfa6a23866a52a0ed3e x86_64 libgcrypt-1.10.0-10.el9_4.2.i686.rpm SHA-256: 9d9ee3ede421b85a0c6328bd137808cbb679837a0b807db53fe624d620ae6bb5 libgcrypt-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 35b59d8a6dac91fcceee95d11d86c5101ee0ec7918695223b1a516ddf585d9f3 libgcrypt-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: ba71f5374624f230a549356af4711b2ee3b0d4fb5c56a3d8157d326c55626d33 libgcrypt-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: ba71f5374624f230a549356af4711b2ee3b0d4fb5c56a3d8157d326c55626d33 libgcrypt-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 07ae06675d089ba64628567ce36a4a26abbc57c86da07afb31260b9629016060 libgcrypt-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 07ae06675d089ba64628567ce36a4a26abbc57c86da07afb31260b9629016060 libgcrypt-debugsource-1.10.0-10.el9_4.2.i686.rpm SHA-256: 495da632bc5aac8ac7e67b923abca12e8fd472f2dc9c5a008e2df0d3d6992408 libgcrypt-debugsource-1.10.0-10.el9_4.2.i686.rpm SHA-256: 495da632bc5aac8ac7e67b923abca12e8fd472f2dc9c5a008e2df0d3d6992408 libgcrypt-debugsource-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 5476640778476a93e175f0a37b14e91925265ae00126d7692601c81779acc38c libgcrypt-debugsource-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 5476640778476a93e175f0a37b14e91925265ae00126d7692601c81779acc38c libgcrypt-devel-1.10.0-10.el9_4.2.i686.rpm SHA-256: 010f702e3d1bfa0db0d71b888807f1c7194fc823b881cc274fb3f4f532a50149 libgcrypt-devel-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: 7fa6bcaacb843c88300b8d97bfba873337ca3fdc20487466fcfee81031134bb5 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: 5bc6607962dfb7a1735a5efb56d1c1278ccb592ecc4a224ddd37c0aa6696ce17 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.i686.rpm SHA-256: 5bc6607962dfb7a1735a5efb56d1c1278ccb592ecc4a224ddd37c0aa6696ce17 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: e8f75a26dd502f3b2cb322918a005e50ebedb598df9aa7e6389c47a784f2d13c libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.x86_64.rpm SHA-256: e8f75a26dd502f3b2cb322918a005e50ebedb598df9aa7e6389c47a784f2d13c Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 SRPM libgcrypt-1.10.0-10.el9_4.2.src.rpm SHA-256: 76e2dace11c2879273e87a50a7141b1d6461f55eafa73dfa6a23866a52a0ed3e aarch64 libgcrypt-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: 9b15ab579957acf3be6d25ad24fee59d8a70d18b28c75a45c4de823f212e783a libgcrypt-debuginfo-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: 2db6db4a8026420660c0b1c32706ecdc75714f80e769897fb8b4c0587509a7f9 libgcrypt-debuginfo-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: 2db6db4a8026420660c0b1c32706ecdc75714f80e769897fb8b4c0587509a7f9 libgcrypt-debugsource-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: cfe5a58292c89756403ad1a8f55ead23237d9b92527b4b53acc555f670b8924a libgcrypt-debugsource-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: cfe5a58292c89756403ad1a8f55ead23237d9b92527b4b53acc555f670b8924a libgcrypt-devel-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: d187023e0b0990cce6c6a4938c4b1a48d14c3d03f6fd1f789635524cbd44f831 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: 809cff4a7aaf1e68f11fe44e476d9cd3b9e81a2780a98d100fc0e9ba2ba1c5d8 libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.aarch64.rpm SHA-256: 809cff4a7aaf1e68f11fe44e476d9cd3b9e81a2780a98d100fc0e9ba2ba1c5d8 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 SRPM libgcrypt-1.10.0-10.el9_4.2.src.rpm SHA-256: 76e2dace11c2879273e87a50a7141b1d6461f55eafa73dfa6a23866a52a0ed3e s390x libgcrypt-1.10.0-10.el9_4.2.s390x.rpm SHA-256: 92c600e5cb089cb2c52ed09c28de23f4be4015583cee6349df212401698c78c4 libgcrypt-debuginfo-1.10.0-10.el9_4.2.s390x.rpm SHA-256: cdfadec34b9df23a9996c076c2a05f99f5a117dae70c73aa7a3f3a812be0c4f6 libgcrypt-debuginfo-1.10.0-10.el9_4.2.s390x.rpm SHA-256: cdfadec34b9df23a9996c076c2a05f99f5a117dae70c73aa7a3f3a812be0c4f6 libgcrypt-debugsource-1.10.0-10.el9_4.2.s390x.rpm SHA-256: c08efa606923a29c33a09313fc4e840733e404160a477d247f69f88ac2013cbd libgcrypt-debugsource-1.10.0-10.el9_4.2.s390x.rpm SHA-256: c08efa606923a29c33a09313fc4e840733e404160a477d247f69f88ac2013cbd libgcrypt-devel-1.10.0-10.el9_4.2.s390x.rpm SHA-256: ee5f21ddfe22f7b8ef7a7a1eda93dbcb7772a2455568a9b2f835ea05e69777fd libgcrypt-devel-debuginfo-1.10.0-10.el9_4.2.s390x.rpm SHA-256: 3754c8e444b62fe0394884723485d432aedfb1