← Back

CVE-2011-0491

nvd nist
Published: Jan 19, 2011Modified: Apr 29, 2026

JSON object

Loading...
5.0
Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Exploitability: 10.0 / Impact: 2.9
Source: NVD

Description

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."

Affected (207)

Products: Tor: Tor
Tor
1 product
Tor
Configuration A
207 vulnerable
Vulnerable SoftwareAffected Versions
Tor
Tor
Up to 0.2.1.28
Tor
Version 0.0.2
Tor
Version 0.0.2_pre13
Tor
Version 0.0.2_pre14
Tor
Version 0.0.2_pre15
Tor
Version 0.0.2_pre16
Tor
Version 0.0.2_pre17
Tor
Version 0.0.2_pre18
Tor
Version 0.0.2_pre19
Tor
Version 0.0.2_pre20
Tor
Version 0.0.2_pre21
Tor
Version 0.0.2_pre22
Tor
Version 0.0.2_pre23
Tor
Version 0.0.2_pre24
Tor
Version 0.0.2_pre25
Tor
Version 0.0.2_pre26
Tor
Version 0.0.2_pre27
Tor
Version 0.0.3
Tor
Version 0.0.4
Tor
Version 0.0.5
Tor
Version 0.0.6.1
Tor
Version 0.0.6.2
Tor
Version 0.0.6
Tor
Version 0.0.7.1
Tor
Version 0.0.7.2
Tor
Version 0.0.7.3
Tor
Version 0.0.7
Tor
Version 0.0.8.1
Tor
Version 0.0.8
Tor
Version 0.0.9.10
Tor
Version 0.0.9.1
Tor
Version 0.0.9.2
Tor
Version 0.0.9.3
Tor
Version 0.0.9.4
Tor
Version 0.0.9.5
Tor
Version 0.0.9.6
Tor
Version 0.0.9.7
Tor
Version 0.0.9.8
Tor
Version 0.0.9.9
Tor
Version 0.0.9
Tor
Version 0.1.0.10
Tor
Version 0.1.0.11
Tor
Version 0.1.0.12
Tor
Version 0.1.0.13
Tor
Version 0.1.0.14
Tor
Version 0.1.0.15
Tor
Version 0.1.0.16
Tor
Version 0.1.0.17
Tor
Version 0.1.0.1
Tor
Version 0.1.0.2
Tor
Version 0.1.0.3
Tor
Version 0.1.0.4
Tor
Version 0.1.0.5
Tor
Version 0.1.0.6
Tor
Version 0.1.0.7
Tor
Version 0.1.0.8
Tor
Version 0.1.0.9
Tor
Version 0.1.1.10
Tor
Version 0.1.1.10 alpha
Tor
Version 0.1.1.11
Tor
Version 0.1.1.12
Tor
Version 0.1.1.13
Tor
Version 0.1.1.14
Tor
Version 0.1.1.15
Tor
Version 0.1.1.16
Tor
Version 0.1.1.17
Tor
Version 0.1.1.18
Tor
Version 0.1.1.19
Tor
Version 0.1.1.1
Tor
Version 0.1.1.1 alpha
Tor
Version 0.1.1.20
Tor
Version 0.1.1.21
Tor
Version 0.1.1.22
Tor
Version 0.1.1.23
Tor
Version 0.1.1.25
Tor
Version 0.1.1.26
Tor
Version 0.1.1.2
Tor
Version 0.1.1.2 alpha
Tor
Version 0.1.1.3
Tor
Version 0.1.1.3 alpha
Tor
Version 0.1.1.4
Tor
Version 0.1.1.4 alpha
Tor
Version 0.1.1.5
Tor
Version 0.1.1.5 alpha
Tor
Version 0.1.1.6
Tor
Version 0.1.1.6 alpha
Tor
Version 0.1.1.7
Tor
Version 0.1.1.7 alpha
Tor
Version 0.1.1.8
Tor
Version 0.1.1.8 alpha
Tor
Version 0.1.1.9
Tor
Version 0.1.1.9 alpha
Tor
Version 0.1.1
Tor
Version 0.1.2.10
Tor
Version 0.1.2.11
Tor
Version 0.1.2.12
Tor
Version 0.1.2.13
Tor
Version 0.1.2.14
Tor
Version 0.1.2.15
Tor
Version 0.1.2.16
Tor
Version 0.1.2.17
Tor
Version 0.1.2.18
Tor
Version 0.1.2.19
Tor
Version 0.1.2.1 alpha-cvs
Tor
Version 0.1.2.2
Tor
Version 0.1.2.30
Tor
Version 0.1.2.31
Tor
Version 0.1.2.3 alpha
Tor
Version 0.1.2.4
Tor
Version 0.1.2.5
Tor
Version 0.1.2.5 alpha
Tor
Version 0.1.2.6 alpha
Tor
Version 0.1.2.7 alpha
Tor
Version 0.1.2.8 beta
Tor
Version 0.1.2.9
Tor
Version 0.2.0.10 alpha
Tor
Version 0.2.0.11 alpha
Tor
Version 0.2.0.12 alpha
Tor
Version 0.2.0.13 alpha
Tor
Version 0.2.0.14 alpha
Tor
Version 0.2.0.15 alpha
Tor
Version 0.2.0.16 alpha
Tor
Version 0.2.0.17 alpha
Tor
Version 0.2.0.18 alpha
Tor
Version 0.2.0.19 alpha
Tor
Version 0.2.0.1 alpha
Tor
Version 0.2.0.20 alpha
Tor
Version 0.2.0.21 alpha
Tor
Version 0.2.0.22 alpha
Tor
Version 0.2.0.23 alpha
Tor
Version 0.2.0.24 alpha
Tor
Version 0.2.0.25 alpha
Tor
Version 0.2.0.26 alpha
Tor
Version 0.2.0.27 alpha
Tor
Version 0.2.0.28 alpha
Tor
Version 0.2.0.29
Tor
Version 0.2.0.29 alpha
Tor
Version 0.2.0.2 alpha
Tor
Version 0.2.0.30
Tor
Version 0.2.0.30 alpha
Tor
Version 0.2.0.31
Tor
Version 0.2.0.31 alpha
Tor
Version 0.2.0.32 alpha
Tor
Version 0.2.0.33
Tor
Version 0.2.0.34 alpha
Tor
Version 0.2.0.35
Tor
Version 0.2.0.3 alpha
Tor
Version 0.2.0.4 alpha
Tor
Version 0.2.0.5 alpha
Tor
Version 0.2.0.6 alpha
Tor
Version 0.2.0.7 alpha
Tor
Version 0.2.0.8 alpha
Tor
Version 0.2.0.9 alpha
Tor
Version 0.2.1.10 alpha
Tor
Version 0.2.1.11 alpha
Tor
Version 0.2.1.12
Tor
Version 0.2.1.12 alpha
Tor
Version 0.2.1.13
Tor
Version 0.2.1.14
Tor
Version 0.2.1.15
Tor
Version 0.2.1.16
Tor
Version 0.2.1.17
Tor
Version 0.2.1.18
Tor
Version 0.2.1.19
Tor
Version 0.2.1.1 alpha
Tor
Version 0.2.1.20
Tor
Version 0.2.1.21
Tor
Version 0.2.1.22
Tor
Version 0.2.1.23
Tor
Version 0.2.1.24
Tor
Version 0.2.1.25
Tor
Version 0.2.1.26
Tor
Version 0.2.1.27
Tor
Version 0.2.1.2 alpha
Tor
Version 0.2.1.3 alpha
Tor
Version 0.2.1.4 alpha
Tor
Version 0.2.1.5 alpha
Tor
Version 0.2.1.6 alpha
Tor
Version 0.2.1.7 alpha
Tor
Version 0.2.1.8 alpha
Tor
Version 0.2.1.9 alpha
Tor
Version 0.2.2.10 alpha
Tor
Version 0.2.2.11 alpha
Tor
Version 0.2.2.12 alpha
Tor
Version 0.2.2.13 alpha
Tor
Version 0.2.2.14 alpha
Tor
Version 0.2.2.15 alpha
Tor
Version 0.2.2.16 alpha
Tor
Version 0.2.2.17 alpha
Tor
Version 0.2.2.18 alpha
Tor
Version 0.2.2.19 alpha
Tor
Version 0.2.2.1
Tor
Version 0.2.2.1 alpha
Tor
Version 0.2.2.20 alpha
Tor
Version 0.2.2.2
Tor
Version 0.2.2.2 alpha
Tor
Version 0.2.2.3
Tor
Version 0.2.2.3 alpha
Tor
Version 0.2.2.4
Tor
Version 0.2.2.4 alpha
Tor
Version 0.2.2.5
Tor
Version 0.2.2.5 alpha
Tor
Version 0.2.2.6
Tor
Version 0.2.2.6 alpha
Tor
Version 0.2.2.7 alpha
Tor
Version 0.2.2.8 alpha
Tor
Version 0.2.2.9 alpha

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (12)

Source: cve@mitre.org
Patch
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.