Bug 2513798 (CVE-2026-73143)

Summary: CVE-2026-73143 svxlink: svxlink: Denial of service via malformed rtl_tcp greeting
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
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Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in svxlink's RtlTcp component. A malformed rtl_tcp greeting from a remote source triggers an unconditional exit(1) call, causing the entire svxlink daemon to terminate. A remote attacker can exploit this to achieve a complete denial of service of the repeater controller.
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Bug Depends On: 2513812    
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Description OSIDB Bzimport 2026-08-11 07:31:31 UTC
A flaw was found in svxlink's RtlTcp component. A malformed rtl_tcp greeting from a remote source triggers an exit(1) call, causing the entire svxlink daemon to terminate. A remote attacker can exploit this to achieve a full denial of service of the svxlink repeater controller. Fixed in version 26.05.1.