The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:20916 advisory.

    The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster     software.

    Security Fix(es):

    * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)

    * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity     validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets.
    This can cause the service to crash, leading to a denial of service. This vulnerability specifically     affects Corosync deployments configured to use totemudp/totemudpu mode. (CVE-2026-35092)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:13657 advisory.

    The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster     software.

    Security Fix(es):

    * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)

    * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14214 advisory.

    The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster     software.

    Security Fix(es):

    * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)

    * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-591:01 advisory.

    * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)
      * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-593:02 advisory.

    * corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet (CVE-2026-35091)
      * corosync: Corosync: Denial of Service via integer overflow in join message validation (CVE-2026-35092)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0130 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2026-35091:
    A flaw was found in Corosync. A remote unauthenticated attacker can exploit a wrong return value     vulnerability in the Corosync membership commit token sanity check by sending a specially crafted User     Datagram Protocol (UDP) packet. This can lead to an out-of-bounds read, causing a denial of service (DoS)     and potentially disclosing limited memory contents

    CVE-2026-35092:
    A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity     validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol (UDP) packets.
    This can cause the service to crash, leading to a denial of service. This vulnerability specifically     affects Corosync deployments configured to use totemudp/totemudpu mode.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
316930	RHEL 7 : corosync (RHSA-2026:20916)	Nessus	Red Hat Local Security Checks	2026/5/27	2026/5/27	high
304628	Linux Distros Unpatched Vulnerability : CVE-2026-35092	Nessus	Misc.	2026/4/2	2026/7/25	high
312179	RHEL 8 : corosync (RHSA-2026:13657)	Nessus	Red Hat Local Security Checks	2026/5/5	2026/5/5	high
312661	RHEL 8 : corosync (RHSA-2026:14214)	Nessus	Red Hat Local Security Checks	2026/5/6	2026/5/6	high
314167	MiracleLinux 9 : corosync-3.1.9-2.el9_7.1 (AXSA:2026-591:01)	Nessus	Miracle Linux Local Security Checks	2026/5/11	2026/5/11	high
314283	MiracleLinux 8 : corosync-3.1.8-1.el8_10.1 (AXSA:2026-593:02)	Nessus	Miracle Linux Local Security Checks	2026/5/11	2026/5/11	high
316644	Alibaba Cloud Linux 3 : 0130: corosync (ALINUX3-SA-2026:0130)	Nessus	Alibaba Cloud Linux Local Security Checks	2026/5/25	2026/5/25	high

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