CVE-2011-1924

mediumpriority · track · 21EPSS 0.028 · 87 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.82% (87th) EPSS

CVSS 5 · medium

Is it mine?

205 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (205)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
tor tor≤ 0.2.1.29nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre13nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre14nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre15nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre16nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre17nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre18nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre19nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre20nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre21nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre22nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre23nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre24nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre25nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre26nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.2_pre27nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.3nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*
tor tor= 0.0.4nvdUScpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*

showing 20 of 205

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-06-14modified 2026-06-16

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+21039 more

references (25)

External citations — patches, advisories, analysis.

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