Bug 2450787 (CVE-2026-4751)

Summary: CVE-2026-4751 tmate: tmate-io tmate: Denial of Service via NULL Pointer Dereference
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in tmate-io tmate. A remote attacker could exploit a NULL Pointer Dereference vulnerability without requiring any user interaction or special privileges. This could lead to a Denial of Service (DoS) condition, making the affected application unavailable to legitimate users.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-03-24 15:02:38 UTC
NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.