50 matches found
DEBIAN-CVE-2026-77641
tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUXSWITCH cell fails. The return value of relaysendcommandfromedge was ignored, so a send failure which calls circuitmarkforclose and removes the leg via cfxdelleg would go undetected, causing the caller to write to the...
CVE-2026-77584
Tor before 0.4.9.10 did not reject a CONFLUXLINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAYCOMMANDBEGIN before the CONFLUXLINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit...
CVE-2026-77587
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
DEBIAN-CVE-2026-77587
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
CVE-2026-77641
Tor versions before 0.4.9.9 ignore the return value of relay_send_command_from_edge() when sending a CONFLUX_SWITCH cell; on send failure, the circuit leg is freed via cfx_del_leg() while the caller still writes to it, causing a NULL write-after-free crash (TROVE-2026-017). The fix is included in...
CVE-2026-77641
tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUXSWITCH cell fails. The return value of relaysendcommandfromedge was ignored, so a send failure which calls circuitmarkforclose and removes the leg via cfxdelleg would go undetected, causing the caller to write to the...
EUVD-2026-63593
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
CVE-2026-77587
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
CVE-2026-77587
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
CVE-2026-77584
Tor before 0.4.9.10 fails to reject a CONFLUX_LINK cell on a circuit with attached streams; a malicious client sends RELAY_COMMAND_BEGIN first, orphaning an exit stream that leaves a dangling circuit back-pointer and triggers use-after-free when the circuit is freed. CVSS 3.1 scores 7.0 (HIGH). F...
CVE-2026-77584
Tor before 0.4.9.10 did not reject a CONFLUXLINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAYCOMMANDBEGIN before the CONFLUXLINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit...
PT-2026-79151
tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX SWITCH cell fails. The return value of relay send command from edge was ignored, so a send failure which calls circuit mark for close and removes the leg via cfx del leg would go undetected, causing the caller to write...
PT-2026-79133
Tor before 0.4.9.11 is prone to a use-after-free and potential double free of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026...
PT-2026-79132
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...
Security update for tor (moderate)
openSUSE Security Update: Security update for tor Announcement ID: openSUSE-SU-2026:0188-1 Rating: moderate References: Affected Products: openSUSE Backports SLE-15-SP7 An update that contains security fixes can now be installed. Description: This update for tor fixes the following issues: - Upda...
OPENSUSE-SU-2026:20889-1 Security update for tor
This update for tor fixes the following issues: Changes in tor: - Update to 0.4.9.9 Major bugfixes compression, security: - Fix a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to avoid the compression...
CVE-2026-44600
A flaw was found in Tor. This vulnerability occurs due to mishandling of the conflux out-of-order queue accounting during queue clearing. A remote attacker with high attack complexity could exploit this flaw, leading to a denial of service...
CVE-2026-44599
A flaw was found in Tor. This vulnerability allows a remote attacker to manipulate directory information by attempting or accepting specific BEGINDIR messages through an internal mechanism known as conflux legs. This could result in a low integrity impact, where the accuracy or trustworthiness of...
openSUSE 16 Security Update : tor (openSUSE-SU-2026:20709-1)
The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20709-1 advisory. Changes in tor: - Update to 0.4.9.8 Fix out-of-bounds read boo1264341, CVE-2026-44597, TROVE-2026-011 Do not attempt or accept BEGINDIR via...
