Red Hat Product Errata RHSA-2026:20579 - Security Advisory Issued: 2026-05-26 Updated: 2026-05-26 RHSA-2026:20579 - Security Advisory Overview Updated Packages Synopsis Moderate: freeipmi 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 freeipmi is now available for Red Hat Enterprise Linux 8. 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 freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): freeipmi: buffer overflows on response messages via ipmi-oem (CVE-2026-33554) 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 8 x86_64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for x86_64 8 x86_64 Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Fixes BZ - 2450778 - CVE-2026-33554 freeipmi: buffer overflows on response messages via ipmi-oem CVEs CVE-2026-33554 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 8 SRPM freeipmi-1.6.17-1.el8_10.src.rpm SHA-256: 097bc3a098f5c74d0981c4a62451d09a0cbe4030ab7dbee08cc69f6482beaf0c x86_64 freeipmi-1.6.17-1.el8_10.i686.rpm SHA-256: 008d3fdf0a6f9720bdcab9d0f1eb7da69189bc25b5d81b4dce2443760d1f2dd7 freeipmi-1.6.17-1.el8_10.x86_64.rpm SHA-256: 74ed7a4a41f767dce540aebc767983e28fdbe1743559ed02c50b8072b0f6331a freeipmi-bmc-watchdog-1.6.17-1.el8_10.x86_64.rpm SHA-256: cbbdfe66127990ad299c0f5c9f9ffd97f5b004cabc811430b5914c3465510bc1 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 2adc7d9f9b0fff9ac7a1e623decf94c8af98bcce941d6d1d28fe00f56cb260d7 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 70cc1b007a36fb59b9d945edb7127cfe4f99095d0d422cdac3fce9c03e39ea4b freeipmi-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 33f9b1f94a73b5787231d89fbfe60cc18a049c01edff8ef28d405ef933685934 freeipmi-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: c62b48995612c69ef867a58e674c3014df311bbc3d164b394406445e07e2f7ea freeipmi-debugsource-1.6.17-1.el8_10.i686.rpm SHA-256: fb2abcf221f2bbd8cc6e72bfaac9bebb9a5d13d745a82f57c67335290b68d12d freeipmi-debugsource-1.6.17-1.el8_10.x86_64.rpm SHA-256: ebd4c0d08ab3808fc02c8a75596c09315767bdb6acca619844dfb35d8ec0b436 freeipmi-ipmidetectd-1.6.17-1.el8_10.x86_64.rpm SHA-256: 67a258d7b8438190179ba136cd6dc450c1ef100f683d011cdbe6aae882436534 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 85efebcc391a46fc8c3d21ddfaed372423a8224919f819a8d2bf9d58d7ef2ea9 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 54b73261b66d12641590f16f01b16a92c20f5611d6c54739ab26e97b886a488f freeipmi-ipmiseld-1.6.17-1.el8_10.x86_64.rpm SHA-256: 5239c74ccd9df59de3ca9d4e1b49b7467544a52e405d1fafb2fe5426683c0283 freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 80b444538d384a46f718ef83366f4f27e1b3b79fd7ad14468af0e1d54b3017e7 freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 71832ff0da642aed3a2d4ff7517fa054eb5ac3e77820c2318f4b424b2f14289f Red Hat Enterprise Linux for IBM z Systems 8 SRPM freeipmi-1.6.17-1.el8_10.src.rpm SHA-256: 097bc3a098f5c74d0981c4a62451d09a0cbe4030ab7dbee08cc69f6482beaf0c s390x freeipmi-1.6.17-1.el8_10.s390x.rpm SHA-256: 95d2ae92646de64360af26a645c8f02a728dcc0d760f3362847ea7852790826c freeipmi-bmc-watchdog-1.6.17-1.el8_10.s390x.rpm SHA-256: 8200261e138c396d86f05e159ab0c16183de80c19edfb57b46f9b85e227a4998 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.s390x.rpm SHA-256: 9e5b240881076c0183c1a88b8d18b678fdfd6c34504cd8d4c7a9366ba32e9b95 freeipmi-debuginfo-1.6.17-1.el8_10.s390x.rpm SHA-256: acae0cb11a127722b18253ccc664f1b44bad259115b42ff79f809e24554c9263 freeipmi-debugsource-1.6.17-1.el8_10.s390x.rpm SHA-256: 13f8f55882d74f0668c99d5b3633332d69d261624a99634071d4ad47b3d55d91 freeipmi-ipmidetectd-1.6.17-1.el8_10.s390x.rpm SHA-256: 6092c8a1fa57ac82d8f2ec613842a0cb6b6b9a467accc1322644f27408a2b625 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.s390x.rpm SHA-256: 5b654c6d2bfd7c0d656a8f1176e0ed9d0085e8621202d9fecab0e407b13311c9 freeipmi-ipmiseld-1.6.17-1.el8_10.s390x.rpm SHA-256: d8fe13b1d893bd6593ae609f5f9671df3e212fffc66ec308769da3f25cb9bedb freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.s390x.rpm SHA-256: eb90f201494b37992317f5111bdf3ac285825cbee1fa2cca66b691bfa3a8b064 Red Hat Enterprise Linux for Power, little endian 8 SRPM freeipmi-1.6.17-1.el8_10.src.rpm SHA-256: 097bc3a098f5c74d0981c4a62451d09a0cbe4030ab7dbee08cc69f6482beaf0c ppc64le freeipmi-1.6.17-1.el8_10.ppc64le.rpm SHA-256: 4f4cb32653994d22ced46f48df1ad6ec32b2efda83f485a503cc78b18f4314ea freeipmi-bmc-watchdog-1.6.17-1.el8_10.ppc64le.rpm SHA-256: 94015b2ab8f75119b152f8ac68079e38e134b4036a10dbd447f7fe2dc841fbff freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.ppc64le.rpm SHA-256: e29d03d6290d1f3279c646d34d66f2dd5a0ed8700f76d63fc871f321bc4e8b69 freeipmi-debuginfo-1.6.17-1.el8_10.ppc64le.rpm SHA-256: b3875c8b2f4d3cf316c3e84a840d4bc9e6978fbc260ccf18b94f8ee16ce13248 freeipmi-debugsource-1.6.17-1.el8_10.ppc64le.rpm SHA-256: 424b5a2a7291bddf642c8843e0390ffd7dc2f0e0306571512c1ddb1e4ca670b6 freeipmi-ipmidetectd-1.6.17-1.el8_10.ppc64le.rpm SHA-256: 5550c01dfe731bdb36260cbe916bf315be87f95e9df133946b8c922510360270 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.ppc64le.rpm SHA-256: c987f3f20ad733c2e842a6b636c282088eb2616a635d8be6a3bbb0fc20feb114 freeipmi-ipmiseld-1.6.17-1.el8_10.ppc64le.rpm SHA-256: 7d46c4aa6dc30d60149f613209a0d7fa95e065ccf156f8caebf85343ab117238 freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.ppc64le.rpm SHA-256: b3c180522f79a2be151399dd50768a3621dcf97c50f7682851f021d1337897e7 Red Hat Enterprise Linux for ARM 64 8 SRPM freeipmi-1.6.17-1.el8_10.src.rpm SHA-256: 097bc3a098f5c74d0981c4a62451d09a0cbe4030ab7dbee08cc69f6482beaf0c aarch64 freeipmi-1.6.17-1.el8_10.aarch64.rpm SHA-256: 1573faa0b7e8eb314f98d91e504a4a521cd25b155256965f134c0e43242df604 freeipmi-bmc-watchdog-1.6.17-1.el8_10.aarch64.rpm SHA-256: 1bae05bea9d7ea63165055bfcc946982b90dfd4b94d20e1a7f0c9e5140368113 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.aarch64.rpm SHA-256: f1195c0d4361c3f4c3b7009ddde24f9fbf33b53576f6dbdabf4f247e7f5556a2 freeipmi-debuginfo-1.6.17-1.el8_10.aarch64.rpm SHA-256: d17901a6736c01d094e378e176f5441a2a7a3004fd4e17af3532a6ab1e51fe21 freeipmi-debugsource-1.6.17-1.el8_10.aarch64.rpm SHA-256: acf5a032699afe14326a98188fd601901bcc707ecab138f2c5c7730c1b5f5774 freeipmi-ipmidetectd-1.6.17-1.el8_10.aarch64.rpm SHA-256: b6cb14d64083fb1885dfeaacee363f08b4629f6b85c4a18ea944a2a121d4ff8e freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.aarch64.rpm SHA-256: 99582692b4ce12fa8a3ddd76d24ba397cf4671fe4ae5967024a8858227eb9f23 freeipmi-ipmiseld-1.6.17-1.el8_10.aarch64.rpm SHA-256: 5549c82450e17f57bb963e3d9bd200ee8c731e2028a8b7309a4ccf73aa07b779 freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.aarch64.rpm SHA-256: 51f9479a337eff36a56ed149f311905e1cc762d7b5fd45cd323b742cb68442a6 Red Hat CodeReady Linux Builder for x86_64 8 SRPM x86_64 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 2adc7d9f9b0fff9ac7a1e623decf94c8af98bcce941d6d1d28fe00f56cb260d7 freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 70cc1b007a36fb59b9d945edb7127cfe4f99095d0d422cdac3fce9c03e39ea4b freeipmi-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 33f9b1f94a73b5787231d89fbfe60cc18a049c01edff8ef28d405ef933685934 freeipmi-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: c62b48995612c69ef867a58e674c3014df311bbc3d164b394406445e07e2f7ea freeipmi-debugsource-1.6.17-1.el8_10.i686.rpm SHA-256: fb2abcf221f2bbd8cc6e72bfaac9bebb9a5d13d745a82f57c67335290b68d12d freeipmi-debugsource-1.6.17-1.el8_10.x86_64.rpm SHA-256: ebd4c0d08ab3808fc02c8a75596c09315767bdb6acca619844dfb35d8ec0b436 freeipmi-devel-1.6.17-1.el8_10.i686.rpm SHA-256: b781d745c1876d35a8adcd44d8116f6f5eff13defa3373ff546b4215885e6d43 freeipmi-devel-1.6.17-1.el8_10.x86_64.rpm SHA-256: 54c01efc571b2ac2ad05f49aa946c5c499dacb200612a1f65eb35319ba76b308 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 85efebcc391a46fc8c3d21ddfaed372423a8224919f819a8d2bf9d58d7ef2ea9 freeipmi-ipmidetectd-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 54b73261b66d12641590f16f01b16a92c20f5611d6c54739ab26e97b886a488f freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.i686.rpm SHA-256: 80b444538d384a46f718ef83366f4f27e1b3b79fd7ad14468af0e1d54b3017e7 freeipmi-ipmiseld-debuginfo-1.6.17-1.el8_10.x86_64.rpm SHA-256: 71832ff0da642aed3a2d4ff7517fa054eb5ac3e77820c2318f4b424b2f14289f Red Hat CodeReady Linux Builder for Power, little endian 8 SRPM ppc64le freeipmi-bmc-watchdog-debuginfo-1.6.17-1.el8_10.ppc64le.rpm SHA-256: e29d03d6290d1f3279c646d34d66f2dd5a0ed8700f76d63fc871f321bc4e8b69 freeipmi-debuginfo-1.6.17-1.el8_10.ppc64l