VulnSocial

CVE-2026-35092Disclosure(corosync / corosync)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

corosync CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-190

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • corosync
  • enterprise_linux
  • openshift

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
corosyncredhat
Products
corosyncenterprise_linuxopenshift

6 versions affected across 3 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-01: 1Technical Details · 2026-04-01: 104-01
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    Disclosure

    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… https://www.cve.org/CVERecord?id=CVE-2026-35092

    Post summary

    The notice reports a newly discovered integer-overflow flaw in Corosync that could be abused by remote unauthenticated attackers, but does not cover PoC, exploit code, active exploitation, or patch information.

    0001073
    56.9K followersView on X
CPE platform detail6 entries

6 of 6 entries

PartVendorProductVersionTarget SWTarget HW
Appcorosynccorosync---
OSredhatenterprise_linux10.0--
OSredhatenterprise_linux7.0--
OSredhatenterprise_linux8.0--
OSredhatenterprise_linux9.0--
Appredhatopenshift4.0--

Explore more

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