Red Hat Product Errata RHSA-2026:54244 - Security Advisory Issued: 2026-08-12 Updated: 2026-08-12 RHSA-2026:54244 - Security Advisory Overview Updated Packages Synopsis Important: ldns security update Type/Severity Security Advisory: Important Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for ldns 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 Important. 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 ldns packages contain a library with the aim to simplify DNS programming in C. All low-level DNS/DNSSEC operations are supported. We also define a higher level API which allows a programmer to (for instance) create or sign packets. Security Fix(es): ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching (CVE-2026-10846) 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 - 2487437 - CVE-2026-10846 ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching CVEs CVE-2026-10846 References https://access.redhat.com/security/updates/classification/#important 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 ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 x86_64 ldns-1.7.1-11.el9_4.1.i686.rpm SHA-256: 51d88987089f8ea38fd5fe26c2866f0442136c47fc01bd9e364efbf231a1a41e ldns-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 5bab96509be23ac5283ec0db4117d8ed4e329f3cb94da5417a87ac65d2699fbe ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: fe2fa9c5bfb9c4764a20a5e5b64e254440c064f0163b08044814dbcc0d50249e ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 542d6bf9cb29aebeb832f49342eaa63da1c78365d121670be3358df00c4a8c1c ldns-debugsource-1.7.1-11.el9_4.1.i686.rpm SHA-256: 9e1aba5fb98807b230bd5c35fb4faf087905cbedb7e35adba3eb1dc2fc89b5af ldns-debugsource-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: f175ffba9a070733ad91d0b63c1d7972630e3f4340f43bb363516d940c0739df ldns-utils-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: d44b85a25a9bf6216428c730930e95c60b1729ad92e92f3325dc0cd0d5709672 ldns-utils-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 0bbd1f213e655296d9a72411ef305985941de0cde192c8ed25641826eb6daef5 perl-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: 47ef1b731d9b407a0956f4361687a90523abc58904aeb43bf1109e7a8090f0c0 perl-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: ca87a2496b0d080f50a695982f58e643351d8f07d2f66570bb0c2f7fa4c7e9b8 python3-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: c31d049f1902814073193ff98a7082eebe719ab5b6f478eae292d4cc25e3f394 python3-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 1b2a717b35a51931cf0c1ea350dc34dd1c567cbd98b89bff990fc81981bb51b9 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 SRPM ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 ppc64le ldns-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: ffad7b45f10e1ffda35831195dd5419d75b5e62535e29e5e13983105ea5d707d ldns-debuginfo-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: f5578a01a25e47954f9fa8ed6b221b663fdfe5760b020ee25be06fb115b1065c ldns-debugsource-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: fe06e666ab4e16daa59e2172eeebd75e536b8ae0e2a403ea55ed2cb26e89c529 ldns-utils-debuginfo-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: aa9c0c8c75f73a8603e533f8f52aa8decb863bf91f74f523770e02e630824be3 perl-ldns-debuginfo-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: 0b41a2e975ad36160154f26d05765ed700ce7a888886a3df6dd5ad275587bcc7 python3-ldns-debuginfo-1.7.1-11.el9_4.1.ppc64le.rpm SHA-256: 436355b52aac72fbab39c85221dcb45a980d10a0ddcf384c7abbaeee4f0cdbcb Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 SRPM ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 x86_64 ldns-1.7.1-11.el9_4.1.i686.rpm SHA-256: 51d88987089f8ea38fd5fe26c2866f0442136c47fc01bd9e364efbf231a1a41e ldns-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 5bab96509be23ac5283ec0db4117d8ed4e329f3cb94da5417a87ac65d2699fbe ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: fe2fa9c5bfb9c4764a20a5e5b64e254440c064f0163b08044814dbcc0d50249e ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 542d6bf9cb29aebeb832f49342eaa63da1c78365d121670be3358df00c4a8c1c ldns-debugsource-1.7.1-11.el9_4.1.i686.rpm SHA-256: 9e1aba5fb98807b230bd5c35fb4faf087905cbedb7e35adba3eb1dc2fc89b5af ldns-debugsource-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: f175ffba9a070733ad91d0b63c1d7972630e3f4340f43bb363516d940c0739df ldns-utils-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: d44b85a25a9bf6216428c730930e95c60b1729ad92e92f3325dc0cd0d5709672 ldns-utils-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 0bbd1f213e655296d9a72411ef305985941de0cde192c8ed25641826eb6daef5 perl-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: 47ef1b731d9b407a0956f4361687a90523abc58904aeb43bf1109e7a8090f0c0 perl-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: ca87a2496b0d080f50a695982f58e643351d8f07d2f66570bb0c2f7fa4c7e9b8 python3-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: c31d049f1902814073193ff98a7082eebe719ab5b6f478eae292d4cc25e3f394 python3-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 1b2a717b35a51931cf0c1ea350dc34dd1c567cbd98b89bff990fc81981bb51b9 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 SRPM ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 aarch64 ldns-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: 0855cc6b077d33cd0a3511c4fad846e2bbcbce8e55ab01195b2289e631697a05 ldns-debuginfo-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: 34d126d4fc44feee49d51881a2aef5ef15fdbc15eb275734416d880d887194bf ldns-debugsource-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: dc5a3288693521564becffcc4d85dae714086c2e7dfefd5fd36208eb944c3d1c ldns-utils-debuginfo-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: d31b6bf4ab270a490b84dd48a3d9ea929b8466a516acb9d3ed19a343e43e55c3 perl-ldns-debuginfo-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: 51a778a575773ab19835217c5b13cb6d8df77d6b7f9e5cfbbd211d6e566d62fb python3-ldns-debuginfo-1.7.1-11.el9_4.1.aarch64.rpm SHA-256: 1f9d658e5581793e743c919dc41f5bdcd3d62a069006c28742a36d2444648cbd Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 SRPM ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 s390x ldns-1.7.1-11.el9_4.1.s390x.rpm SHA-256: bd69cdd0cd45d312fd80dff450a7379ce2e54787777ab3b4e9a04d1ab405e89b ldns-debuginfo-1.7.1-11.el9_4.1.s390x.rpm SHA-256: a3c63fbfc2186d0abc869a451a565ba806731345136ee40f6e8e809350b2cb7a ldns-debugsource-1.7.1-11.el9_4.1.s390x.rpm SHA-256: 9421f9556c7f751c38bfb982261d13f789b9161cac9aefe441066c7f60f20cbd ldns-utils-debuginfo-1.7.1-11.el9_4.1.s390x.rpm SHA-256: 325df58689cad30cea90e226dee93521f25df3bcad376bb160a6ebfd118079aa perl-ldns-debuginfo-1.7.1-11.el9_4.1.s390x.rpm SHA-256: c3f054dc71b2099e0a0ec3eb99d5be2e16b9984668b94eea4ec6d88bbd166c03 python3-ldns-debuginfo-1.7.1-11.el9_4.1.s390x.rpm SHA-256: 43bdc1ecdeb272cf92fb8186f405c0bb87b0752d9778b15614e06bc3d093ff6e Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 SRPM ldns-1.7.1-11.el9_4.1.src.rpm SHA-256: 520195d99dda69ac986491423690ab21d9b99d069ce70a67a9e44dd93c055c82 x86_64 ldns-1.7.1-11.el9_4.1.i686.rpm SHA-256: 51d88987089f8ea38fd5fe26c2866f0442136c47fc01bd9e364efbf231a1a41e ldns-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 5bab96509be23ac5283ec0db4117d8ed4e329f3cb94da5417a87ac65d2699fbe ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: fe2fa9c5bfb9c4764a20a5e5b64e254440c064f0163b08044814dbcc0d50249e ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 542d6bf9cb29aebeb832f49342eaa63da1c78365d121670be3358df00c4a8c1c ldns-debugsource-1.7.1-11.el9_4.1.i686.rpm SHA-256: 9e1aba5fb98807b230bd5c35fb4faf087905cbedb7e35adba3eb1dc2fc89b5af ldns-debugsource-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: f175ffba9a070733ad91d0b63c1d7972630e3f4340f43bb363516d940c0739df ldns-utils-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: d44b85a25a9bf6216428c730930e95c60b1729ad92e92f3325dc0cd0d5709672 ldns-utils-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 0bbd1f213e655296d9a72411ef305985941de0cde192c8ed25641826eb6daef5 perl-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: 47ef1b731d9b407a0956f4361687a90523abc58904aeb43bf1109e7a8090f0c0 perl-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: ca87a2496b0d080f50a695982f58e643351d8f07d2f66570bb0c2f7fa4c7e9b8 python3-ldns-debuginfo-1.7.1-11.el9_4.1.i686.rpm SHA-256: c31d049f1902814073193ff98a7082eebe719ab5b6f478eae292d4cc25e3f394 python3-ldns-debuginfo-1.7.1-11.el9_4.1.x86_64.rpm SHA-256: 1b2a717b35a51931cf0c1ea350dc34dd1c567cbd98b89bff990fc81981bb51b9 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 SRPM l