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CVE-2011-2778
Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or…
High7.6EPSS 3.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.6 | AV:N/AC:H/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 3.8% · top 10% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.
Weakness
Affected products
n/a
- affected n/a
References (2)
- https://blog.torproject.org/blog/tor-02235-released-security-patches (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-2363 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2011-2778)Record last updated .