Summary
The corosync packages provide the Corosync Cluster Engine and C APIs for Rocky Linux cluster software.
Security Fix(es):
* corosync: corosync: heap-based buffer overflow in totempg assembly buffer during fragmented message reassembly (CVE-2026-81665)
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | corosync | 0:3.1.8-1.el8_10.2 |
Vulnerabilities 1
-
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…