Bug 2467635 (CVE-2026-44602)

Summary: CVE-2026-44602 Tor: Tor: Denial of service via out-of-order CERT cell
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. A remote attacker could exploit this vulnerability by sending a specially crafted CERT cell out of order, leading to a NULL pointer dereference. This issue can cause a denial of service (DoS), making the Tor service unavailable to legitimate users.
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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: 2467717, 2467718    
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Description OSIDB Bzimport 2026-05-07 05:02:40 UTC
Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.