CVE-2011-0491
tor tor: no CVSS score yet. EPSS 2.5% chance of exploitation in the next 30 days.
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
- 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- tor:tor
References
- http://archives.seul.org/or/announce/Jan-2011/msg00000.html
- http://blog.torproject.org/blog/tor-02129-released-security-patches
- http://www.securityfocus.com/bid/45953
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64888
- https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog