CVE-2011-0493
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and
02 Description
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-01-19 11:00Z15 YR AGO
- Last updated
- 2024-08-06 21:58Z2 YR AGO
- Reserved
- 2011-01-18
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- ed84286ff32abc55dca6a04a4ec32c302a39b2cade34c8c8dc06bc8e7875ba9b
05 Affected products
06 References
- archives.seul.org[or-announce] 20110117 Tor 0.2.1.29 is released (security patches)http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- gitweb.torproject.orghttps://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- trac.torproject.orghttps://trac.torproject.org/projects/tor/ticket/2352
- blog.torproject.orghttp://blog.torproject.org/blog/tor-02129-released-security-patches
- exchange.xforce.ibmcloud.comtor-routercache-dos(64864)https://exchange.xforce.ibmcloud.com/vulnerabilities/64864
- www.securityfocus.com45953http://www.securityfocus.com/bid/45953
07 Fixed in
Debian 12
- tor Fixed in 0.2.1.29-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tor Fixed in 0.2.1.29-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tor Fixed in 0.2.1.29-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.