Description
Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026.
Published: 2026-08-20
Score: 5.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Thu, 20 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
Description Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026.
First Time appeared Torproject
Torproject tor
Weaknesses CWE-911
CPEs cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
Vendors & Products Torproject
Torproject tor
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

Torproject Tor
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-20T20:47:39.964Z

Reserved: 2026-08-20T20:47:39.624Z

Link: CVE-2026-77587

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-20T21:17:10.957

Modified: 2026-08-20T21:17:10.957

Link: CVE-2026-77587

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-911

    Improper Update of Reference Count