CVE-2011-0493 describes a denial-of-service vulnerability affecting Tor versions before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha. This flaw, categorized as CWE-189 (Improper Handling of Exceptional Conditions), allows remote attackers to trigger an assertion failure and daemon exit through malformed router caches and incorrect integer handling. The vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, leading to a partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.2.1.28CPE matchmatch criteria | cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:* | ||
0.0.2CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.0.2:*:*:*:*:*:*:* | ||
0.0.2_pre13CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.0.2_pre13:*:*:*:*:*:*:* | ||
0.0.2_pre14CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.0.2_pre14:*:*:*:*:*:*:* | ||
0.0.2_pre15CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.0.2_pre15:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.