CVE-2026-77587CWE-911
CVE-2026-77587
Medium · published August 21, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 5.9 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00222 · 12.8th percentile
- Weakness
- CWE-911 · Improper Update of Reference Count
- Published
- 2026-08-21T01:17Z
References (1)
EPSS history
Timeline