Bug 2467578 (CVE-2026-44600)

Summary: CVE-2026-44600 Tor: Tor: Denial of Service due to mishandling of conflux out-of-order queue accounting
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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 Tor. This vulnerability occurs due to mishandling of the conflux out-of-order queue accounting during queue clearing. A remote attacker with high attack complexity could exploit this flaw, leading to a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2476454, 2476455    
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Description OSIDB Bzimport 2026-05-07 03:01:16 UTC
Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue.