Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
CVE-2026-77587 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 25, 2026Exploitation: NoneAutomatable: NoTechnical Impact: Partial
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.11/ChangeLog | [email protected] | Permissions RequiredRelease NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
| CWE-911 | Improper Update of Reference Count | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| torproject tor | < 0.4.9.11 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 16, 2026 | Initial Analysis | [email protected] |
| Aug 25, 2026 | CVE Modified | CISA-ADP |
| Aug 20, 2026 | New CVE Received | [email protected] |