Vulnerabilities > TOR > TOR > 0.2.1.16

DATE CVE VULNERABILITY TITLE RISK
2011-01-19 CVE-2011-0491 Improper Input Validation vulnerability in TOR
The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors."
network
low complexity
tor CWE-20
5.0
2011-01-19 CVE-2011-0490 Denial of Service vulnerability in Tor
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha makes calls to Libevent within Libevent log handlers, which might allow remote attackers to cause a denial of service (daemon crash) via vectors that trigger certain log messages.
network
low complexity
tor
5.0
2011-01-19 CVE-2011-0427 Improper Restriction of Operations Within the Bounds of A Memory Buffer vulnerability in TOR
Heap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.
network
tor CWE-119
6.8
2011-01-19 CVE-2011-0016 Resource Management Errors vulnerability in TOR
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly manage key data in memory, which might allow local users to obtain sensitive information by leveraging the ability to read memory that was previously used by a different process.
local
low complexity
tor CWE-399
2.1
2011-01-19 CVE-2011-0015 Improper Input Validation vulnerability in TOR
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor.
network
low complexity
tor CWE-20
5.0