CVE-2011-0427
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
02 Description
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
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
- 4.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.0% 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 21:51Z2 YR AGO
- Reserved
- 2011-01-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 0da3eef8cc22cc6451d1432a33978c780b608264c9a8d5b551e33d80fc83c0a2
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
- www.vupen.comADV-2011-0131http://www.vupen.com/english/advisories/2011/0131
- gitweb.torproject.orghttps://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog
- secunia.com42907http://secunia.com/advisories/42907
- blog.torproject.orghttp://blog.torproject.org/blog/tor-02129-released-security-patches
- www.securitytracker.com1024980http://www.securitytracker.com/id?1024980
- exchange.xforce.ibmcloud.comtor-unspec-bo(64748)https://exchange.xforce.ibmcloud.com/vulnerabilities/64748
- www.vupen.comADV-2011-0132http://www.vupen.com/english/advisories/2011/0132
- www.debian.orgDSA-2148http://www.debian.org/security/2011/dsa-2148
- secunia.com42905http://secunia.com/advisories/42905
- www.securityfocus.com45832http://www.securityfocus.com/bid/45832
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.