CVE Daily

CVE-2011-0491

The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alph...

Medium CVSS 5.0

Overview

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."

CWE: CWE-20 Published: 2011-01-19T12:00:20.047
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.0 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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