7.0Hoch

CVE-2026-77584

torproject Tor Veröffentlicht: (vor 2 Monaten)

Beschreibung

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.

Schwachstellentyp (CWE): CWE-821

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
torproject Tor 0.4.8.1-alpha – < 0.4.9.10

Referenzen und Patches

CPE-Treffer (NVD) (1)

  • cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* < 0.4.9.10