Unscored severity · published Feb 3, 2014
CVE-2012-2249
Tor 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…
–
CVSS
1.3%
EPSS
No
On KEV
Description
Tor 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 V3 link protocol.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tor · Torproject
through 0.2.3.22; 0.0.2; 0.0.2; 0.0.2; 0.0.2; 0.0.2; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-2249
CVE.org
https://www.cve.org/CVERecord?id=CVE-2012-2249
gitweb.torproject.org
https://gitweb.torproject.org/tor.git?a=blob_plain%3Bhb=HEAD%3Bf=ChangeLog
More from Tor
7.5
CVE-2016-9079
Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
9.3
CVE-2026-77642
tor 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
9.1
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
9.1
CVE-2026-44597
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
9.0
CVE-2026-77638
Tor 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…