CVE-2011-1924
MEDIUM · CVSS 5.0EPSS 2.8%EU EUVD
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 2.8% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1922)
- Published
- June 14, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1922 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
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- tor / tor
- tor / tor
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- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
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- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
- tor / tor
and 171 more…
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html
- http://secunia.com/advisories/43548(Vendor Advisory)
- http://secunia.com/advisories/44862(Vendor Advisory)
- http://www.securityfocus.com/bid/46618
- https://bugzilla.redhat.com/show_bug.cgi?id=705192(Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=705194
- https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e(Patch)
- https://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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