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...

Linux Distros Unpatched Vulnerability : CVE-2026-44600

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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-2026-44600 Note that Nessus...

Linux Distros Unpatched Vulnerability : CVE-2026-44597

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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. CVE-2026-44597 Note...

Linux Distros Unpatched Vulnerability : CVE-2026-44601

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

PT-2026-38337

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.4.9.7 Description A NULL pointer dereference occurs when a CERT cell is received out of order. A NULL pointer dereference is a runtime error that happens when a program attempts to read or write to a memory address that...

Linux Distros Unpatched Vulnerability : CVE-2026-44599

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Tor before 0.4.9.7 can attempt or accept BEGINDIR via conflux legs, aka TROVE-2026-008. CVE-2026-44599 Note that Nessus relies on the presence of the package as...

Linux Distros Unpatched Vulnerability : CVE-2026-44603

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 Note that Nessus relies on the presence ...

CVE-2026-44599

Tor before 0.4.9.7 can attempt or accept BEGINDIR via conflux legs, aka TROVE-2026-008...

Tor security vulnerabilities

Tor is a virtual tunnel network created by the Tor Project organization. It allows individuals and groups to enhance their privacy and security on the Internet. Versions of Tor prior to 0.4.9.7 contained a security vulnerability, which was caused by a one-byte out-of-bounds read due to a malforme...

Tor security vulnerabilities

Tor is a virtual tunnel network created by the Tor Project organization. It allows individuals and groups to enhance their privacy and security on the Internet. Versions of Tor prior to 0.4.9.7 contained a security vulnerability, which stemmed from improper handling of the conflux during queue...

PT-2026-38336

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.4.9.7 Description A client crash can occur when circuit queue memory pressure exists due to a double close of a circuit. Recommendations Update to version 0.4.9.7 or later...

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...

PT-2026-38326

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.4.9.7 Description Tor mishandles the accounting of the conflux out-of-order queue during the process of clearing a queue. Recommendations Update to version 0.4.9.7 or later...

Linux Distros Unpatched Vulnerability : CVE-2026-44602

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 Note that Nessus relies on the...

Tor: Tor onion service INTRODUCE2 invalid-MAC cells permanently grow service replay cache

A vulnerability was discovered in Tor's onion service INTRODUCE2 handling. A remote client could send well-formed INTRODUCE1 cells with an invalid MAC, but a unique byte pattern. The introduction point would forward these cells as INTRODUCE2 to the onion service. The onion service would insert th...

Tor: Conflux-queued zero-length RELAY_END triggers heap out-of-bounds read

A vulnerability was discovered in Tor that could trigger a heap out-of-bounds read when a zero-length RELAYEND cell was processed on a non-open AP stream. The vulnerability was caused by the way Tor handles these cells, where the reason byte was read before checking the message length. This issue...

Tor: Malicious Conflux Endpoint Can Leave Stale Global OOO Queue Accounting After Teardown

A vulnerability was discovered in Tor's Conflux OOO queue accounting. The vulnerability could cause the global OOO queue byte counter to remain inflated after a Conflux set was torn down, even though the memory had already been freed. This was due to a lack of accounting updates during the teardo...

Security update for tor (moderate)

openSUSE Security Update: Security update for tor Announcement ID: openSUSE-SU-2026:0147-1 Rating: moderate References: 1262301 1262302 Affected Products: openSUSE Backports SLE-15-SP6 openSUSE Backports SLE-15-SP7 An update that contains security fixes can now be installed. Description: This...

openSUSE 16 Security Update : tor (openSUSE-SU-2026:20589-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20589-1 advisory. Changes in tor: - update to 0.4.8.23: Fix a memory compare using the wrong length. This could lead to a remote crash when using the conflux subsystem...