CVE-2026-44601

A flaw was found in Tor. When the system experiences circuit queue memory pressure, a remote attacker could potentially trigger a double close of a circuit, leading to a client crash. This vulnerability can result in a Denial of Service DoS for affected Tor clients...

CVE-2026-44602

A flaw was found in Tor. A remote attacker could exploit this vulnerability by sending a specially crafted CERT cell out of order, leading to a NULL pointer dereference. This issue can cause a denial of service DoS, making the Tor service unavailable to legitimate users...

CVE-2026-44603

A flaw was found in Tor. A remote attacker can exploit this vulnerability by sending a specially crafted malformed BEGIN cell, leading to an out-of-bounds read. This issue can result in a low impact Denial of Service DoS, making the service unavailable to legitimate users...

CVE-2026-44603

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-2026-44601

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-2026-44602

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006...

UBUNTU-CVE-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

UBUNTU-CVE-2026-44601

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...

UBUNTU-CVE-2026-44602

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-2026-44603

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007...

EUVD-2026-28306

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-2026-44603

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-2026-44603

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-2026-44603

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-2026-44603

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-2026-44603

Summary (CVE-2026-44603) Tor before 0.4.9.7 contains an out-of-bounds read by one byte triggered by a malformed BEGIN cell (TROVE-2026-007). Red Hat describes it as a remote-a exploitable flaw that can cause a low-impact Denial of Service, potentially making the service unavailable to legitimate ...

CVE-2026-44602

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-2026-44602

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-2026-44602

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006...

EUVD-2026-28304

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006...