# CVE-2026-77587

## Summary

- **CVE ID:** CVE-2026-77587
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-911
- **Published:** Aug 20, 2026
- **Last Modified:** Aug 25, 2026

## 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.

## Affected Products

- torproject — Tor (0.4.8.1-alpha)

## References

- [CNA](https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.11/ChangeLog)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.22%
- **EPSS Percentile:** 12.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._