Red Hat Product Errata RHSA-2026:52950 - Security Advisory Issued: 2026-08-10 Updated: 2026-08-10 RHSA-2026:52950 - 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 9.6 Extended Update Support. 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 for x86_64 - Extended Update Support 9.6 x86_64 Red Hat Enterprise Linux Server - AUS 9.6 x86_64 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 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 for x86_64 - Extended Update Support 9.6 SRPM libgcrypt-1.10.0-11.el9_6.1.src.rpm SHA-256: b5d5c8ea2a2edefa316201d6c9abc65cf3582c1d8593917f5c4afcb15b535cba x86_64 libgcrypt-1.10.0-11.el9_6.1.i686.rpm SHA-256: 2c2f135a8ae5290321128ad6c1272d2632e7b97b5c6c859682e53222a75df12a libgcrypt-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 57bb13f2d7b44dafd7ecd20924a5be434223c567ddf5322c8c2d89c800df6d0e libgcrypt-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5bb77bd579bff85a6cac7b830caf0550659d5b2879579e90e978120b9d4cb73f libgcrypt-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5bb77bd579bff85a6cac7b830caf0550659d5b2879579e90e978120b9d4cb73f libgcrypt-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 44dddbdf803f47146713bd60c5232b1a7a790e54bc808c897600b2fa788d0336 libgcrypt-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 44dddbdf803f47146713bd60c5232b1a7a790e54bc808c897600b2fa788d0336 libgcrypt-debugsource-1.10.0-11.el9_6.1.i686.rpm SHA-256: 83c2e02bf33a7bd7f1603c7587e15a7346cb11a60592c3305d7bcfebf2c945b9 libgcrypt-debugsource-1.10.0-11.el9_6.1.i686.rpm SHA-256: 83c2e02bf33a7bd7f1603c7587e15a7346cb11a60592c3305d7bcfebf2c945b9 libgcrypt-debugsource-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: e65cb9d8064e03425f8178ccf4118ab2a98c6a3b44834e026d8bf09502421679 libgcrypt-debugsource-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: e65cb9d8064e03425f8178ccf4118ab2a98c6a3b44834e026d8bf09502421679 libgcrypt-devel-1.10.0-11.el9_6.1.i686.rpm SHA-256: fe126e73f805276280836ed7aecd1bf1224d90cb8d9f5b967c07311f61848ce6 libgcrypt-devel-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 40902b7b00e911c605c30f849e8d833fa9f2df51b3dbc173a5f8ec7dc8696597 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5c57165ed4b13f38cf1cacdcadb3df1aa9e38257325e8d27d9ceb41e6a130d32 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5c57165ed4b13f38cf1cacdcadb3df1aa9e38257325e8d27d9ceb41e6a130d32 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 9f1501fd1b22a5df7821b064f2f290345c40b2ce11c0593edaa7223af1f03134 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 9f1501fd1b22a5df7821b064f2f290345c40b2ce11c0593edaa7223af1f03134 Red Hat Enterprise Linux Server - AUS 9.6 SRPM libgcrypt-1.10.0-11.el9_6.1.src.rpm SHA-256: b5d5c8ea2a2edefa316201d6c9abc65cf3582c1d8593917f5c4afcb15b535cba x86_64 libgcrypt-1.10.0-11.el9_6.1.i686.rpm SHA-256: 2c2f135a8ae5290321128ad6c1272d2632e7b97b5c6c859682e53222a75df12a libgcrypt-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 57bb13f2d7b44dafd7ecd20924a5be434223c567ddf5322c8c2d89c800df6d0e libgcrypt-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5bb77bd579bff85a6cac7b830caf0550659d5b2879579e90e978120b9d4cb73f libgcrypt-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5bb77bd579bff85a6cac7b830caf0550659d5b2879579e90e978120b9d4cb73f libgcrypt-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 44dddbdf803f47146713bd60c5232b1a7a790e54bc808c897600b2fa788d0336 libgcrypt-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 44dddbdf803f47146713bd60c5232b1a7a790e54bc808c897600b2fa788d0336 libgcrypt-debugsource-1.10.0-11.el9_6.1.i686.rpm SHA-256: 83c2e02bf33a7bd7f1603c7587e15a7346cb11a60592c3305d7bcfebf2c945b9 libgcrypt-debugsource-1.10.0-11.el9_6.1.i686.rpm SHA-256: 83c2e02bf33a7bd7f1603c7587e15a7346cb11a60592c3305d7bcfebf2c945b9 libgcrypt-debugsource-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: e65cb9d8064e03425f8178ccf4118ab2a98c6a3b44834e026d8bf09502421679 libgcrypt-debugsource-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: e65cb9d8064e03425f8178ccf4118ab2a98c6a3b44834e026d8bf09502421679 libgcrypt-devel-1.10.0-11.el9_6.1.i686.rpm SHA-256: fe126e73f805276280836ed7aecd1bf1224d90cb8d9f5b967c07311f61848ce6 libgcrypt-devel-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 40902b7b00e911c605c30f849e8d833fa9f2df51b3dbc173a5f8ec7dc8696597 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5c57165ed4b13f38cf1cacdcadb3df1aa9e38257325e8d27d9ceb41e6a130d32 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.i686.rpm SHA-256: 5c57165ed4b13f38cf1cacdcadb3df1aa9e38257325e8d27d9ceb41e6a130d32 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 9f1501fd1b22a5df7821b064f2f290345c40b2ce11c0593edaa7223af1f03134 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.x86_64.rpm SHA-256: 9f1501fd1b22a5df7821b064f2f290345c40b2ce11c0593edaa7223af1f03134 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 SRPM libgcrypt-1.10.0-11.el9_6.1.src.rpm SHA-256: b5d5c8ea2a2edefa316201d6c9abc65cf3582c1d8593917f5c4afcb15b535cba s390x libgcrypt-1.10.0-11.el9_6.1.s390x.rpm SHA-256: 9469e2b39be488d51bc66168ac9b0463cfb07880f058022e54d80fff9013a1fb libgcrypt-debuginfo-1.10.0-11.el9_6.1.s390x.rpm SHA-256: fd7cea48fb0de8569b03e0afdd73a8206824eed982f6856a2833341e2dbfa4a2 libgcrypt-debuginfo-1.10.0-11.el9_6.1.s390x.rpm SHA-256: fd7cea48fb0de8569b03e0afdd73a8206824eed982f6856a2833341e2dbfa4a2 libgcrypt-debugsource-1.10.0-11.el9_6.1.s390x.rpm SHA-256: cf9ddc11cee4f2b0c8f0cc4ee74a231f293c291f9f3a6057e3bec097ccaa858f libgcrypt-debugsource-1.10.0-11.el9_6.1.s390x.rpm SHA-256: cf9ddc11cee4f2b0c8f0cc4ee74a231f293c291f9f3a6057e3bec097ccaa858f libgcrypt-devel-1.10.0-11.el9_6.1.s390x.rpm SHA-256: d756c498f43f1f5d5c6f61cde4ca4daf3f3817e3856e22f0bb5c5450adad1863 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.s390x.rpm SHA-256: 37f82fa59c8293bc9b77605c321b763e599ffdf3488d1e646e7c58f200f9df2d libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.s390x.rpm SHA-256: 37f82fa59c8293bc9b77605c321b763e599ffdf3488d1e646e7c58f200f9df2d Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 SRPM libgcrypt-1.10.0-11.el9_6.1.src.rpm SHA-256: b5d5c8ea2a2edefa316201d6c9abc65cf3582c1d8593917f5c4afcb15b535cba ppc64le libgcrypt-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 44c9ed2cb26addb6b5edb5ca95dc921600e53e128f42ae15fb01a821c7c264ed libgcrypt-debuginfo-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 151abea5a76ef3a02b81155cccdded839f55bbf48c412fc7b5951099e4ba199b libgcrypt-debuginfo-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 151abea5a76ef3a02b81155cccdded839f55bbf48c412fc7b5951099e4ba199b libgcrypt-debugsource-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: bbe57d24b2ea0bb66e9e6465052d828f0cb4064bad717f793d857d427e6d6c77 libgcrypt-debugsource-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: bbe57d24b2ea0bb66e9e6465052d828f0cb4064bad717f793d857d427e6d6c77 libgcrypt-devel-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 3a219c3de7857bed63bad3ffd14b7ab9d441c2ef4106a2ede2f027e81319d604 libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 25ea59e440cd1ba61e01a7ec280e35fb462ad32c23d9de172a6691a62f14173f libgcrypt-devel-debuginfo-1.10.0-11.el9_6.1.ppc64le.rpm SHA-256: 25ea59e440cd1ba61e01a7ec280e35fb462ad32c23d9de172a6691a62f14173f Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 SRPM libgcrypt-1.10.0-11.el9_6.1.src.rpm SHA-256: b5d5c8ea2a2edefa316201d6c9abc65cf3582c1d8593917f5c4afcb15b535cba aarch64 libgcrypt-1.10.0-11.el9_6.1.aarch64.rpm SHA-256: ca4492eea2902aa597ddc8f9859f5312f2d4e9beafe94b188c014df6f8bbc91f libgcrypt-debuginfo-1.10.0-11.el9_6.1.aarch64.rpm SHA-256: 46ec16678aa1afd7173b208e3fa67dd0677371df9aa42bd4208dcabdb8ce95e9 libgcrypt-debuginfo-1.10.0-11.el9_6.1.aarch64.rpm SHA-256: 46ec16678aa1afd7173b208e3fa67dd0677371df9aa42bd4208dcabdb8ce95e9 libgcrypt-debugsource-1.10.0-11.el9_6.1.aarch64.rpm SHA-256: 8fd21879d0259c067b9a378090a5a9501b251d0c070425c853e081ddb5cb111d libgcrypt-debugsource-1.10.0-11.el9_6.1.aarch64.rpm