CVE-2026-77584Disclosure(torproject / tor)

LOWCVSS 8.2 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEGIN before the CONFLUX_LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit back-pointer and a use-after-free (UAF) when the circuit is freed. This is TROVE-2026-025.

torproject CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.10/ChangeLog

Weakness type (CWE)

CWE-821

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Affected systems

Vendors

torproject

Products

tor

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud47d
Disclosure
🚨*CVE* CVE-2026-77584 Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEG… https://www.cve.org/CVERecord?id=CVE-2026-77584 ----- Traducción: CVE-2026-77584 Tor… https://infoflow.cloud`
Post summary
The tweet announces CVE‑2026‑77584 affecting Tor before 0.4.9.10, describing a cell handling issue and linking to the CVE record.
0000022
102 followersView on X
CVE@CVEnew47d
Disclosure
CVE-2026-77584 Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY_COMMAND_BEG… https://www.cve.org/CVERecord?id=CVE-2026-77584
Post summary
The text announces a Tor vulnerability that allows a malicious client to manipulate cell handling on circuits with streams, but lacks any PoC, exploit code, or active exploitation evidence.
000001.5K
58.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	torproject	tor	-	-	-

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