Improper input validation in Tor

CVE-2011-0491

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."

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.

Affected products

  • Tor — versions 0.0.2, 0.0.2_pre13, 0.0.2_pre14
  • N/a — versions n/a

Weakness classification (CWE)

References