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TO
Vendor
torproject
2 products with CVEs on record
53
CVEs
1
On KEV
0
New 30D
Products
TO
Tor
torproject
9.3
48 CVEs1 on KEV0 new
TB
Tor Browser
Torproject
9.8
5 CVEs0 on KEV0 new
Recent CVEs
CVEProductCVSSEPSSPublishedSummary
CVE-2026-77642
TO
Tor
torproject
9.3
0%
Aug 20tor before 0.4.9.9 was prone to an out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type
CVE-2026-77641
TO
Tor
torproject
8.2
0%
Aug 20tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX_SWITCH cell fails
CVE-2026-77640
TO
Tor
torproject
5.3
0%
Aug 20tor before 0.4.9.9 was prone to an infinite loop when decompressing a truncated zlib/gzip stream with done=1
CVE-2026-77639
TO
Tor
torproject
5.3
0%
Aug 20Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream detection threshold, to…
CVE-2026-77638
TO
Tor
torproject
9.0
0%
Aug 20Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-the-middle (impersonate) the onion service that the client…
CVE-2026-77587
TO
Tor
torproject
7.5
0%
Aug 20Tor 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…
CVE-2026-77584
TO
Tor
torproject
8.2
0%
Aug 20Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams
CVE-2026-44603
TO
Tor
torproject
9.1
0%
May 7Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007
CVE-2026-44602
TO
Tor
torproject
7.5
0%
May 7Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006
CVE-2026-44601
TO
Tor
torproject
7.5
0%
May 7Tor 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-2026-44600
TO
Tor
torproject
5.3
0%
May 7Tor 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-2026-44599
TO
Tor
torproject
5.3
0%
May 7Tor before 0.4.9.7 can attempt or accept BEGIN_DIR via conflux legs, aka TROVE-2026-008
CVE-2026-44597
TO
Tor
torproject
9.1
0%
May 7Tor 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-2023-23589
TO
Tor
Torproject
6.5
1%
Jan 14The SafeSocks option in Tor before 0.4.7.13 has a logic error in which the unsafe SOCKS4 protocol can be used but not the safe SOCKS4a protocol, aka TROVE-2022-002
CVE-2022-33903
TO
Tor
Torproject
7.5
1%
Jul 17Tor 0.4.7.x before 0.4.7.8 allows a denial of service via the wedging of RTT estimation
CVE-2021-46702
TO
Tor
Torproject
5.5
0%
Feb 26Tor Browser 9.0.7 on Windows 10 build 10586 is vulnerable to information disclosure
CVE-2021-39246
TB
Tor Browser
Torproject
6.1
0%
Sep 24Tor Browser through 10.5.6 and 11.x through 11.0a4 allows a correlation attack that can compromise the privacy of visits to v2 onion addresses
CVE-2021-38385
TO
Tor
Torproject
7.5
2%
Aug 30Tor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion…
CVE-2021-34550
TO
Tor
Torproject
7.5
2%
Jun 29An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-006
CVE-2021-34549
TO
Tor
Torproject
7.5
2%
Jun 29An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005
CVE-2021-34548
TO
Tor
Torproject
7.5
3%
Jun 29An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-003
CVE-2021-28090
TO
Tor
Torproject
5.3
2%
Mar 19Tor before 0.4.5.7 allows a remote attacker to cause Tor directory authorities to exit with an assertion failure, aka TROVE-2021-002
CVE-2021-28089
TO
Tor
Torproject
7.5
2%
Mar 19Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001
CVE-2020-15572
TO
Tor
Torproject
7.5
1%
Jul 15Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services…
CVE-2020-10593
TO
Tor
Torproject
7.5
2%
Mar 23Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004
CVE-2020-10592
TO
Tor
Torproject
7.5
3%
Mar 23Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (CPU consumption), aka TROVE-2020-002
CVE-2020-8516
TO
Tor
Torproject
5.3
2%
Feb 2The daemon in Tor through 0.4.1.8 and 0.4.2.x through 0.4.2.6 does not verify that a rendezvous node is known before attempting to connect to it, which might make it easier for…
CVE-2015-2929
TO
Tor
Torproject
7.5
1%
Jan 24The Hidden Service (HS) client implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote servers to cause a denial of service…
CVE-2015-2928
TO
Tor
Torproject
7.5
1%
Jan 24The Hidden Service (HS) server implementation in Tor before 0.2.4.27, 0.2.5.x before 0.2.5.12, and 0.2.6.x before 0.2.6.7 allows remote attackers to cause a denial of service…
CVE-2015-2689
TO
Tor
Torproject
7.5
2%
Jan 24Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle pending-connection resolve states during periods of high DNS load, which allows remote attackers to cause…
CVE-2015-2688
TO
Tor
Torproject
7.5
2%
Jan 24buf_pullup in Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle unexpected arrival times of buffers with invalid layouts, which allows remote attackers to…
CVE-2019-13075
TB
Tor Browser
Torproject
5.3
2%
Jun 30Tor Browser through 8.5.3 has an information exposure vulnerability
CVE-2019-12383
TB
Tor Browser
Torproject
4.3
2%
May 28Tor Browser before 8.0.1 has an information exposure vulnerability
CVE-2019-8955
TO
Tor
Torproject
7.5
5%
Feb 21In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via…
CVE-2017-16639
TB
Tor Browser
Torproject
4.3
2%
Sep 14Tor Browser on Windows before 8.0 allows remote attackers to bypass the intended anonymity feature and discover a client IP address, a different vulnerability than CVE-2017-16541
CVE-2018-16983
TB
Tor Browser
Torproject
9.8
3%
Sep 13NoScript Classic before 5.1.8.7, as used in Tor Browser 7.x and other products, allows attackers to bypass script blocking via the text/html;/json Content-Type value
CVE-2016-9079
In wildKEV
TO
Tor
Torproject
7.5
87%
Jun 11Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
CVE-2018-0491
TO
Tor
Torproject
7.5
15%
Mar 5A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10
CVE-2018-0490
TO
Tor
Torproject
7.5
3%
Mar 5An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10
CVE-2016-1254
TO
Tor
Torproject
7.5
3%
Dec 5Tor before 0.2.8.12 might allow remote attackers to cause a denial of service (client crash) via a crafted hidden service descriptor
CVE-2017-16541
TO
Tor
Torproject
6.5
4%
Nov 4Tor Browser before 7.0.9 on macOS and Linux allows remote attackers to bypass the intended anonymity feature and discover a client IP address via vectors involving a crafted web…
CVE-2017-0380
TO
Tor
Torproject
5.9
2%
Sep 18The rend_service_intro_established function in or/rendservice.c in Tor before 0.2.8.15, 0.2.9.x before 0.2.9.12, 0.3.0.x before 0.3.0.11, 0.3.1.x before 0.3.1.7, and 0.3.2.x…
CVE-2017-0377
TO
Tor
Torproject
7.5
2%
Jul 2Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended…
CVE-2017-0376
TO
Tor
Torproject
7.5
2%
Jun 9The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR…
CVE-2017-0375
TO
Tor
Torproject
7.5
3%
Jun 9The hidden-service feature in Tor before 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…
CVE-2016-8860
TO
Tor
Torproject
7.5
2%
Jan 4Tor before 0.2.8.9 and 0.2.9.x before 0.2.9.4-alpha had internal functions that were entitled to expect that buf_t data had NUL termination, but the implementation of or/buffers.c…
CVE-2014-5117
TO
Tor
Torproject
–
2%
Jul 30Tor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a circuit after an inbound RELAY_EARLY cell is received by a client, which makes it easier for remote attackers to…
CVE-2012-2250
TO
Tor
Torproject
–
1%
Feb 3Tor before 0.2.3.24-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) by performing link protocol negotiation incorrectly
CVE-2012-2249
TO
Tor
Torproject
–
1%
Feb 3Tor before 0.2.3.23-rc allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a renegotiation attempt that occurs after the initiation of the…
CVE-2013-7295
TO
Tor
Torproject
–
2%
Jan 17Tor before 0.2.4.20, when OpenSSL 1.x is used in conjunction with a certain HardwareAccel setting on Intel Sandy Bridge and Ivy Bridge platforms, does not properly generate random…
CVE-2012-5573
TO
Tor
Torproject
–
3%
Jan 1The connection_edge_process_relay_cell function in or/relay.c in Tor before 0.2.3.25 maintains circuits even if an unexpected SENDME cell arrives, which might allow remote…
CVE-2012-4922
TO
Tor
Torproject
–
2%
Sep 14The tor_timegm function in common/util.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.22-rc, does not properly validate time values, which allows remote attackers to cause a…
CVE-2012-4419
TO
Tor
Torproject
–
2%
Sep 14The compare_tor_addr_to_addr_policy function in or/policies.c in Tor before 0.2.2.39, and 0.2.3.x before 0.2.3.21-rc, allows remote attackers to cause a denial of service…