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torproject vulnerabilities and exploits
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5
CVSSv2
CVE-2021-34549
An issue exists in Tor prior to 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.
Torproject Tor
5
CVSSv2
CVE-2015-2688
buf_pullup in Tor prior to 0.2.4.26 and 0.2.5.x prior to 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote malicious users to cause a denial of service (assertion failure and daemon exit) via crafted packets.
Torproject Tor
5
CVSSv2
CVE-2015-2929
The Hidden Service (HS) client implementation in Tor prior to 0.2.4.27, 0.2.5.x prior to 0.2.5.12, and 0.2.6.x prior to 0.2.6.7 allows remote servers to cause a denial of service (assertion failure and application exit) via a malformed HS descriptor.
Torproject Tor
NA
CVE-2022-33903
Tor 0.4.7.x prior to 0.4.7.8 allows a denial of service via the wedging of RTT estimation.
Torproject Tor
5
CVSSv2
CVE-2017-0375
The hidden-service feature in Tor prior to 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the relay_send_end_cell_from_edge_ function via a malformed BEGIN cell.
Torproject Tor
5
CVSSv2
CVE-2021-34548
An issue exists in Tor prior to 0.4.6.5, aka TROVE-2021-003. An attacker can forge RELAY_END or RELAY_RESOLVED to bypass the intended access control for ending a stream.
Torproject Tor
5
CVSSv2
CVE-2021-34550
An issue exists in Tor prior to 0.4.6.5, aka TROVE-2021-006. The v3 onion service descriptor parsing allows out-of-bounds memory access, and a client crash, via a crafted onion service descriptor
Torproject Tor
5
CVSSv2
CVE-2018-0491
A use-after-free issue exists in Tor 0.3.2.x prior to 0.3.2.10. It allows remote malicious users to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.
Torproject Tor
1 EDB exploit
4.3
CVSSv2
CVE-2017-16639
Tor Browser on Windows prior to 8.0 allows remote malicious users to bypass the intended anonymity feature and discover a client IP address, a different vulnerability than CVE-2017-16541. User interaction is required to trigger this vulnerability.
Torproject Tor Browser
4.3
CVSSv2
CVE-2019-12383
Tor Browser prior to 8.0.1 has an information exposure vulnerability. It allows remote malicious users to detect the browser's UI locale by measuring a button width, even if the user has a "Don't send my language" setting.
Torproject Tor Browser
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4761
command injection
CVE-2024-3676
IDOR
CVE-2024-30039
CVE-2024-32113
CVE-2024-30049
CVE-2024-4776
SQL injection
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