VULNERABILITY INTELLIGENCE

CVE-2026-77587

CVSS score5.9 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-08-20
Last modified2026-10-18
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • cve@mitre.org: CWE-911
  • nvd@nist.gov: CWE-416

Primary references

  • cve@mitre.org — Permissions Required, Release Notes, Vendor Advisory