VDB
CVE-2011-0491
CVE-2011-0491
PUBLISHED
CVSS 5 MEDIUM
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."
EPSS 2.52% · 84.2th percentile
Risk Scores
CVSS 2.0
5
EPSS Score
2.52%
84.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| tor | tor | 0.2.1.26, 0, 0.0.2 |
| n/a | n/a | n/a |
Timeline
- Jan 19, 2011 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 21, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Oct 27, 2022 EPSS Score
- Dec 19, 2022 EPSS Score
- Feb 10, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 4, 2023 EPSS Score
- May 27, 2023 EPSS Score
- Jul 19, 2023 EPSS Score
References
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog url
- https://trac.torproject.org/projects/tor/ticket/2324 url
- [or-announce] 20110117 Tor 0.2.1.29 is released (security patches) mailing-list
- http://blog.torproject.org/blog/tor-02129-released-security-patches patch
- http://www.securityfocus.com/bid/45953 technical
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64888 technical
- https://nvd.nist.gov/vuln/detail/CVE-2011-0491 advisory