WID-SEC-W-2026-1398

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Tor: Mehrere Schwachstellen

view advisory published 2026-05-06

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Tor ausnutzen, um einen Denial of Service Angriff durchzuführen oder Daten zu manipulieren.

01

describes (6)

Related CVEs.

IDseverity exploitable
CVE-2026-44603UScritical9.1—
Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.
CVE-2026-44602UShigh7.5—
Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.
CVE-2026-44601UShigh7.5—
Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.
CVE-2026-44600USmedium5.3—
Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue, aka TROVE-2026-010.
CVE-2026-44599USmedium5.3—
Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008.
CVE-2026-44597UScritical9.1—
Tor before 0.4.9.7 has an out-of-bounds read when an END, a TRUNCATE, or a TRUNCATED cell lacks a reason in its payload, aka TROVE-2026-011.
02

references

External citations — patches, advisories, analysis.

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan