VULNERABILITY INTELLIGENCE
CVE-2011-2778
CVSS score7.6 HIGH
EPSS probability3.77%
CISA KEVNot currently listed
Published2011-12-23
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:C/I:C/A:C
Description
Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Primary references
- cve@mitre.org
- cve@mitre.org — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory