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CVE-2018-0491

HighPublished

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST...

Published: Mar 5, 2018
Updated: Aug 5, 2024
Assigning CNA: debian
Evidence observed: Jul 9, 2018

Primary CVSS

7.5/ 10High

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS probability estimate

12.5%

Moderate · next 30 days

Percentile: 96.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

Sources

Tor Browser < 0.3.2.10 - Use After Free (PoC)Exploit
t4rkd3vilz · linux · Jul 9, 2018

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