Errata des produits Red Hat RHSA-2026:26205 - Security Advisory Publié : 2026-06-16 Mis à jour : 2026-06-16 RHSA-2026:26205 - Security Advisory Aperçu général Paquets mis à jour Synopsis Important: postfix security update Type / Sévérité Security Advisory: Important Analyse des correctifs dans Red Hat Insights Identifiez et remédiez aux systèmes concernés par cette alerte. Voir les systèmes concernés Sujet An update for postfix is now available for Red Hat Enterprise Linux 9. 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 postfix packages provide a Mail Transport Agent (MTA), which supports protocols like LDAP, SMTP AUTH (SASL), and TLS. Security Fix(es): postfix: buffer over-read via malformed enhanced status code (CVE-2026-43964) 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 Produits concernés Red Hat Enterprise Linux for x86_64 9 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64 Red Hat Enterprise Linux for IBM z Systems 9 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x Red Hat Enterprise Linux for Power, little endian 9 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le Red Hat Enterprise Linux for ARM 64 9 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x Correctifs BZ - 2466488 - CVE-2026-43964 postfix: buffer over-read via malformed enhanced status code CVE CVE-2026-43964 Références https://access.redhat.com/security/updates/classification/#important Remarque: Il existe peut-être des versions plus récentes de ces paquets. Cliquer sur un nom de paquet pour obtenir plus de détails. Red Hat Enterprise Linux for x86_64 9 SRPM postfix-3.5.25-3.el9_8.src.rpm SHA-256: 5bb81ca06dc38d2141b3d3dd7ff3f13225fbe7a0558c9e359918841e78f4f464 x86_64 postfix-3.5.25-3.el9_8.x86_64.rpm SHA-256: b049cd86b5d3dd5ddaa934bd312fcbb9dc049efe6243ae230e4eed7877bdaac4 postfix-cdb-3.5.25-3.el9_8.x86_64.rpm SHA-256: efa0b1ba41d5384a028930146283ab795ea3d0c8184790c9b63b7b1a9524da1d postfix-cdb-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 07702c3198f18a5bf3efab0190a07b3905d351b1852d9dc00f605d2a51eda020 postfix-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 8d66f815d03fdc5a9365abcd4a88ed2ca929fc8136f8c2cde1fb2ae674139bb6 postfix-debugsource-3.5.25-3.el9_8.x86_64.rpm SHA-256: a465d9f9423cbac8140aca40d44ab2cfc538f1db4b291aa3caa6016fd7819a13 postfix-ldap-3.5.25-3.el9_8.x86_64.rpm SHA-256: 9563a3fdca663dcbf7b00c937eb7e33ec10f363e022380353a92ba5a613527a3 postfix-ldap-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 24b5e5080ee9f2b70179391277c640786fec9ae30fa40e593d701ccbd5085873 postfix-lmdb-3.5.25-3.el9_8.x86_64.rpm SHA-256: af93f728b687b1db3dc947d12d305a08735f1d4e7180079573dd5a973424a349 postfix-lmdb-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 182894a393e457d772ff7bbd296c7c6f38880ec82a546c91abae7d283fb599fc postfix-mysql-3.5.25-3.el9_8.x86_64.rpm SHA-256: 3f1bf8a8c150cd3dceff2da31d8d2d260ffd070756b3e9019e42dec99e9114ba postfix-mysql-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 137fc422081cdab7f025ddb5ffeb3a8780a7c8738c6facedc7cc75839f54b91e postfix-pcre-3.5.25-3.el9_8.x86_64.rpm SHA-256: 6daa2569cb0719a614c0295f3674f74ce9cd7bb973b824e61a3f53579456eae1 postfix-pcre-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 2521bae90ea4e2a01dabd753cbedbfdc495b0a44fe745a0953a7a4c4ff823e0b postfix-perl-scripts-3.5.25-3.el9_8.x86_64.rpm SHA-256: 68a888ae9ac6ab03649d5cf370fc908d2d9a16e106c796ddd9cfdb114ed35749 postfix-pgsql-3.5.25-3.el9_8.x86_64.rpm SHA-256: 41558853dd3574c4f8a579e66da91a37098f63eca3732825ec944a2e5de9b052 postfix-pgsql-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 959177fe2761796c743e2ee7b21d4fad91ae824a52fe70ac1134a81846341fbe postfix-sqlite-3.5.25-3.el9_8.x86_64.rpm SHA-256: 406b7bff50cbb46060035659c19bde58e9aa63fcfdef4c8515d5ee04f4b9a9c0 postfix-sqlite-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: dbdd739b0c2fdc28ba2117918dedbd6b3d0ae311ad2ddfd8ad6502429411277a Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 SRPM postfix-3.5.25-3.el9_8.src.rpm SHA-256: 5bb81ca06dc38d2141b3d3dd7ff3f13225fbe7a0558c9e359918841e78f4f464 x86_64 postfix-3.5.25-3.el9_8.x86_64.rpm SHA-256: b049cd86b5d3dd5ddaa934bd312fcbb9dc049efe6243ae230e4eed7877bdaac4 postfix-cdb-3.5.25-3.el9_8.x86_64.rpm SHA-256: efa0b1ba41d5384a028930146283ab795ea3d0c8184790c9b63b7b1a9524da1d postfix-cdb-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 07702c3198f18a5bf3efab0190a07b3905d351b1852d9dc00f605d2a51eda020 postfix-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 8d66f815d03fdc5a9365abcd4a88ed2ca929fc8136f8c2cde1fb2ae674139bb6 postfix-debugsource-3.5.25-3.el9_8.x86_64.rpm SHA-256: a465d9f9423cbac8140aca40d44ab2cfc538f1db4b291aa3caa6016fd7819a13 postfix-ldap-3.5.25-3.el9_8.x86_64.rpm SHA-256: 9563a3fdca663dcbf7b00c937eb7e33ec10f363e022380353a92ba5a613527a3 postfix-ldap-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 24b5e5080ee9f2b70179391277c640786fec9ae30fa40e593d701ccbd5085873 postfix-lmdb-3.5.25-3.el9_8.x86_64.rpm SHA-256: af93f728b687b1db3dc947d12d305a08735f1d4e7180079573dd5a973424a349 postfix-lmdb-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 182894a393e457d772ff7bbd296c7c6f38880ec82a546c91abae7d283fb599fc postfix-mysql-3.5.25-3.el9_8.x86_64.rpm SHA-256: 3f1bf8a8c150cd3dceff2da31d8d2d260ffd070756b3e9019e42dec99e9114ba postfix-mysql-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 137fc422081cdab7f025ddb5ffeb3a8780a7c8738c6facedc7cc75839f54b91e postfix-pcre-3.5.25-3.el9_8.x86_64.rpm SHA-256: 6daa2569cb0719a614c0295f3674f74ce9cd7bb973b824e61a3f53579456eae1 postfix-pcre-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 2521bae90ea4e2a01dabd753cbedbfdc495b0a44fe745a0953a7a4c4ff823e0b postfix-perl-scripts-3.5.25-3.el9_8.x86_64.rpm SHA-256: 68a888ae9ac6ab03649d5cf370fc908d2d9a16e106c796ddd9cfdb114ed35749 postfix-pgsql-3.5.25-3.el9_8.x86_64.rpm SHA-256: 41558853dd3574c4f8a579e66da91a37098f63eca3732825ec944a2e5de9b052 postfix-pgsql-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: 959177fe2761796c743e2ee7b21d4fad91ae824a52fe70ac1134a81846341fbe postfix-sqlite-3.5.25-3.el9_8.x86_64.rpm SHA-256: 406b7bff50cbb46060035659c19bde58e9aa63fcfdef4c8515d5ee04f4b9a9c0 postfix-sqlite-debuginfo-3.5.25-3.el9_8.x86_64.rpm SHA-256: dbdd739b0c2fdc28ba2117918dedbd6b3d0ae311ad2ddfd8ad6502429411277a Red Hat Enterprise Linux for IBM z Systems 9 SRPM postfix-3.5.25-3.el9_8.src.rpm SHA-256: 5bb81ca06dc38d2141b3d3dd7ff3f13225fbe7a0558c9e359918841e78f4f464 s390x postfix-3.5.25-3.el9_8.s390x.rpm SHA-256: 952f139ae7043fc314137efa35269a51f26850151fb8393051d56a9d275df9d2 postfix-cdb-3.5.25-3.el9_8.s390x.rpm SHA-256: cadab064d9a7bdb13d683f6328a8ed7447303d97881ae640b01378b93ccdc1e5 postfix-cdb-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 4e728fbf3fdbb3ad1768e45cef4e108924a654cd311f858d3dd11876cabab90f postfix-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 0295711eb68371214208fcbb3aa8e1a895a08993b52eaaa39d6b2fd0bb0cf454 postfix-debugsource-3.5.25-3.el9_8.s390x.rpm SHA-256: e2f30287e998f83b2d2477e0b55514d035fc63d6d951c292da8c0adfece25fc1 postfix-ldap-3.5.25-3.el9_8.s390x.rpm SHA-256: 3fd3d6ab5d9bb9b7119248c4936f7edc9e58ad805213e838cdd2d595b1f49240 postfix-ldap-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 84b23cf3ada8c3803ef0202053a242ad2c5a282437d427fb98e69be4fd1fe3b5 postfix-lmdb-3.5.25-3.el9_8.s390x.rpm SHA-256: 3440235825de7a09b502de09374185b56ea8e1c5b082cd4d31da37fb427219a8 postfix-lmdb-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 7be624b09d395e825e752f63b6c2e8b52c070c05cf7c611a3e3cdd601a9101a6 postfix-mysql-3.5.25-3.el9_8.s390x.rpm SHA-256: 7241330eed23a507ffe150355b7fcdef8820dcf3f888235741723f15ce286915 postfix-mysql-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: b51efd91a1c288f5df4333c46b774d59fc3a22d3404ae83fb8cc452c6af270ff postfix-pcre-3.5.25-3.el9_8.s390x.rpm SHA-256: 3db9669170d1000bdfd36b3a13d004ff76ecfad14debb2012556583d9d2385ab postfix-pcre-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 13c69af3dae4155d9bb80c70e4267fd0aa8a997d53a6bd36fe2a91754732354e postfix-perl-scripts-3.5.25-3.el9_8.s390x.rpm SHA-256: 4f1837c6e58b8c43d7a00bd03132ac62a594e6b98853bfbb43609819a2b4ba2b postfix-pgsql-3.5.25-3.el9_8.s390x.rpm SHA-256: 452e45811ed980ba373ff8412fa543f43cf89c5e50f946b6ed3c8839a758a61b postfix-pgsql-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 1454add3ca614d76919bada6020eefaa25fbbca3031ece302d63a08230f43513 postfix-sqlite-3.5.25-3.el9_8.s390x.rpm SHA-256: 287d77b1e51b7700ff0f37edb877d376087b845fa0029ebe14a2a504e3816294 postfix-sqlite-debuginfo-3.5.25-3.el9_8.s390x.rpm SHA-256: 9ecb7c59cdfc4dcb71126a7e5a95db3c13d39575661ac4072ffbf5fa2db0e8f4 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 SRPM postfix-3.5.25-3.el9_8.src.rpm SHA-256: 5bb81ca06dc38d2141b3d3dd7ff3f13225fbe7a0558c9e359918841e78f4f464 s390x postfix-3.5.25-3.el9_8.s390x.rpm SHA-256: 952f139ae7043fc314137efa35269a51f26850151fb8393051d56a9d275df9d2 postfix-cdb-3.5.25-3.el9_8.s390x.rpm