Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosync | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosync-debuginfo | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosync-debugsource | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosync-vqsim | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosync-vqsim-debuginfo | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosynclib | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosynclib-debuginfo | 0:3.1.9-1.el10_0.3 |
| Red Hat · RHEL 10.0 EUS enterprise_linux_eus:10.0 | corosynclib-devel | 0:3.1.9-1.el10_0.3 |
Vulnerabilities 1
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High 7.5
Corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly
A heap-based buffer overflow was found in Corosync's Totem Process Group (totempg) message reassembly. When processing fragmented multicast messages, the buffer used to reassemble fragments lacks a runtime bounds check in release builds. A network-adjacent at…
References
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article
https://access.redhat.com/security/updates/classification/#important
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2524910
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67881.json
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report
https://access.redhat.com/security/cve/CVE-2026-81665
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-81665
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-81665