Moderate: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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 fo...

corosync: Corosync: Denial of Service via integer overflow in join message validation

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...

corosync security update

An update is available for corosync. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The corosync packages provide the Corosync Cluster Engine and C APIs for...

RLSA-2026:13673 Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for Rocky Linux cluster software. Security Fixes: 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...

corosync security update

An update is available for corosync. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The corosync packages provide the Corosync Cluster Engine and C APIs for Roc...

corosync security update

An update is available for corosync. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The corosync packages provide the Corosync Cluster Engine and C APIs for Roc...

RockyLinux 10 : corosync (RLSA-2026:13644)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:13644 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via intege...

RHEL 8 : corosync (RHSA-2026:14216)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:14216 advisory. The corosync packages provide the Corosync Cluster Engine and C APIs for Red Hat Enterprise Linux cluster software. Security Fixes: corosyn...

AlmaLinux 8 : corosync (ALSA-2026:13657)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:13657 advisory. corosync: Corosync: Denial of Service and information disclosure via crafted UDP packet CVE-2026-35091 corosync: Corosync: Denial of Service via integer...

RHEL 8 : corosync (RHSA-2026:14214)

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 Fixes: corosyn...

corosync: Corosync: Denial of Service via integer overflow in join message validation

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...

corosync: Corosync: Denial of Service via integer overflow in join message validation

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...

Moderate: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 10. 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...

corosync: Corosync: Denial of Service via integer overflow in join message validation

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...

RHEL 8 : corosync (RHSA-2026:13657)

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 Fixes: corosyn...

ALSA-2026:13657 Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: 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...

Moderate: corosync security update

The corosync packages provide the Corosync Cluster Engine and C APIs for AlmaLinux cluster software. Security Fixes: 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...

Security update for corosync

This update for corosync fixes the following issues: CVE-2026-35091: Denial of Service and information disclosure via crafted UDP packet bsc1261299. CVE-2026-35092: Denial of Service via integer overflow in join message validation bsc1261300. Patch Instructions: To install this SUSE update use th...

SUSE-SU-2026:1394-1 Security update for corosync

This update for corosync fixes the following issues: - CVE-2026-35091: Denial of Service and information disclosure via crafted UDP packet bsc1261299. - CVE-2026-35092: Denial of Service via integer overflow in join message validation bsc1261300...

USN-8170-1 corosync vulnerabilities

It was discovered that Corosync incorrectly handled the membership commit token validity check. A remote attacker could use this issue to cause Corosync to crash, resulting in a denial of service, or to possibly obtain a small quantity of sensitive information. CVE-2026-35091 It was discovered th...