Red Hat Product Errata RHSA-2026:23223 - Security Advisory Issued: 2026-06-04 Updated: 2026-06-04 RHSA-2026:23223 - Security Advisory Overview Updated Packages Synopsis Important: libsndfile 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 libsndfile 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 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 libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV. Security Fix(es): libsndfile: integer overflow in ima_reader_init() (CVE-2026-37555) 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 CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 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 - 2463856 - CVE-2026-37555 libsndfile: integer overflow in ima_reader_init() CVEs CVE-2026-37555 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 for x86_64 - Extended Update Support 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb x86_64 libsndfile-1.0.31-9.el9_6.1.i686.rpm SHA-256: 6f481cc821331e102768d9add28c6af1ae82e6d3d9555fb87b4f20812daed4d9 libsndfile-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 19e1a4fb93c9cddd159a0583ac0cb70c2523dabbdc6ade91a86280f7a9ce0ff0 libsndfile-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 173e3f537a2b4adfd7bbb0328c6a47001b5e776b069b27f2394808f49fb27459 libsndfile-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 08ff9a7e59f03d92331718e495550fa3ebb9434fe4389f08a9981911832226a3 libsndfile-debugsource-1.0.31-9.el9_6.1.i686.rpm SHA-256: 5f714aaa2e3b5ca70bcf2cceb103f3003edcf0aefeca558c81d4e2b7c729624a libsndfile-debugsource-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 7795b3cf9dccc618fa2ba55d81a313bb19dc6c435db476a3e729ba2b46afd6c6 libsndfile-utils-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 4a9b6c3b8a514c8ba1026afc91b17c4892c3c9308e24e09b31a1827993aee1a6 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 03dd5bc2f06bfc71162056c4d00b04df4487aacf31fe46a5c52b40eaa15dd4b7 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 3d96151b117d0d09cfbca8617ac39d01c57a67b2bdacec8dd88659aa3bfad103 Red Hat Enterprise Linux Server - AUS 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb x86_64 libsndfile-1.0.31-9.el9_6.1.i686.rpm SHA-256: 6f481cc821331e102768d9add28c6af1ae82e6d3d9555fb87b4f20812daed4d9 libsndfile-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 19e1a4fb93c9cddd159a0583ac0cb70c2523dabbdc6ade91a86280f7a9ce0ff0 libsndfile-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 173e3f537a2b4adfd7bbb0328c6a47001b5e776b069b27f2394808f49fb27459 libsndfile-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 08ff9a7e59f03d92331718e495550fa3ebb9434fe4389f08a9981911832226a3 libsndfile-debugsource-1.0.31-9.el9_6.1.i686.rpm SHA-256: 5f714aaa2e3b5ca70bcf2cceb103f3003edcf0aefeca558c81d4e2b7c729624a libsndfile-debugsource-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 7795b3cf9dccc618fa2ba55d81a313bb19dc6c435db476a3e729ba2b46afd6c6 libsndfile-utils-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 4a9b6c3b8a514c8ba1026afc91b17c4892c3c9308e24e09b31a1827993aee1a6 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 03dd5bc2f06bfc71162056c4d00b04df4487aacf31fe46a5c52b40eaa15dd4b7 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 3d96151b117d0d09cfbca8617ac39d01c57a67b2bdacec8dd88659aa3bfad103 Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb s390x libsndfile-1.0.31-9.el9_6.1.s390x.rpm SHA-256: e8254d4f1d4cc0e16a519dd243f1547b586b95074fd9f613725aa61b7fcefae0 libsndfile-debuginfo-1.0.31-9.el9_6.1.s390x.rpm SHA-256: 341eae2aca20e72d08a840231cd43c63eac1971ff399c11acb623bce9d1b1954 libsndfile-debugsource-1.0.31-9.el9_6.1.s390x.rpm SHA-256: 805b30fc2d47f2b174d08ec477c8150765a06e4316bab64a5b4123bad4936dba libsndfile-utils-1.0.31-9.el9_6.1.s390x.rpm SHA-256: 4bd8b2445e9b7df93dd80c3fbb753c8497a0f4550c23dda3950afb48ee1cf5ba libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.s390x.rpm SHA-256: 847ea7160a7c4ab37e38f67aa6683a129a6d3686491326a170a5ba852920c5e0 Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb ppc64le libsndfile-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: f2dda71a5879a67bd8948aba878eab8427dd8eeb745bb88c2fee517ae63c7613 libsndfile-debuginfo-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 612ffe4afdbafe8e79c177ba8a998a66c832ba8014d78f90b64f82dfe8fb9cb7 libsndfile-debugsource-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 8dad22d0d1504192f50ba7e80529e82fc0039aa08e66cdf6c8eebf0e0772c082 libsndfile-utils-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 2f19dc2a61027331913202f312c02d1328ff7a49aee7970baeea134356f456fa libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 91f24d757ad8f954c7ce9a07fcc3871b270e837785c6b97c2d60c5d1800de363 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb aarch64 libsndfile-1.0.31-9.el9_6.1.aarch64.rpm SHA-256: 3d72e4012e929dfe35cbc0ebf1f2ad75c3ab1ad9c5ae19c50c1ddbf80d76d4bb libsndfile-debuginfo-1.0.31-9.el9_6.1.aarch64.rpm SHA-256: c1db932ed8b3d8763b9ad327dca3b2fc0615856370fc9776513a57d219457ed8 libsndfile-debugsource-1.0.31-9.el9_6.1.aarch64.rpm SHA-256: a5a4ac060e8d28325df5354e1c7633b02f8fc41e5bfa237166a0bd2ba3ab6047 libsndfile-utils-1.0.31-9.el9_6.1.aarch64.rpm SHA-256: df73c422c8541a1ba3436bbba16cd3530844763c6b4db07f95bd11da69410cfb libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.aarch64.rpm SHA-256: b34fa9f51ab658fe49f1a999a93ddb3b5fea20dcfcb077943fb0911531901642 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb ppc64le libsndfile-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: f2dda71a5879a67bd8948aba878eab8427dd8eeb745bb88c2fee517ae63c7613 libsndfile-debuginfo-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 612ffe4afdbafe8e79c177ba8a998a66c832ba8014d78f90b64f82dfe8fb9cb7 libsndfile-debugsource-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 8dad22d0d1504192f50ba7e80529e82fc0039aa08e66cdf6c8eebf0e0772c082 libsndfile-utils-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 2f19dc2a61027331913202f312c02d1328ff7a49aee7970baeea134356f456fa libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.ppc64le.rpm SHA-256: 91f24d757ad8f954c7ce9a07fcc3871b270e837785c6b97c2d60c5d1800de363 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 SRPM libsndfile-1.0.31-9.el9_6.1.src.rpm SHA-256: b5ac413b9194a474e917e350188b567d64e8f8e442d1295a176095d355ced6fb x86_64 libsndfile-1.0.31-9.el9_6.1.i686.rpm SHA-256: 6f481cc821331e102768d9add28c6af1ae82e6d3d9555fb87b4f20812daed4d9 libsndfile-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 19e1a4fb93c9cddd159a0583ac0cb70c2523dabbdc6ade91a86280f7a9ce0ff0 libsndfile-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 173e3f537a2b4adfd7bbb0328c6a47001b5e776b069b27f2394808f49fb27459 libsndfile-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 08ff9a7e59f03d92331718e495550fa3ebb9434fe4389f08a9981911832226a3 libsndfile-debugsource-1.0.31-9.el9_6.1.i686.rpm SHA-256: 5f714aaa2e3b5ca70bcf2cceb103f3003edcf0aefeca558c81d4e2b7c729624a libsndfile-debugsource-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 7795b3cf9dccc618fa2ba55d81a313bb19dc6c435db476a3e729ba2b46afd6c6 libsndfile-utils-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 4a9b6c3b8a514c8ba1026afc91b17c4892c3c9308e24e09b31a1827993aee1a6 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.i686.rpm SHA-256: 03dd5bc2f06bfc71162056c4d00b04df4487aacf31fe46a5c52b40eaa15dd4b7 libsndfile-utils-debuginfo-1.0.31-9.el9_6.1.x86_64.rpm SHA-256: 3d96151b117d0d09cfbca8617ac39d01c57a67b2bdacec8dd88659aa3bfad103 Red Hat CodeReady L