CVE-2011-1924
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-1924- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-1924- Updated
- 2026-11-02
EUVDEUVD-2011-1922 No score
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.
- Record
EUVD-2011-1922- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f3pm-2c82-x85g No score
Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows...
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.
- Record
GHSA-f3pm-2c82-x85g- Weakness
- CWE-119
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-1924- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-1924 No score
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.
- Record
DEBIAN-CVE-2011-1924- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1924 is a medium vulnerability (CVSS 5.0) in Tor, published June 14, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.82%, the 86th percentile. Fixed in tor 0.2.1.30-1.