VULNERABILITY INTELLIGENCE

CVE-2018-0491

CVSS score7.5 HIGH

EPSS probability14.79%

CISA KEVNot currently listed

Published2018-03-05

Last modified2026-06-17

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

Description

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.

Weakness classification

CWE-416: Use After Free

Primary references

security@debian.org — Vendor Advisory
security@debian.org — Issue Tracking, Mitigation, Vendor Advisory
security@debian.org — Issue Tracking, Patch, Vendor Advisory
security@debian.org — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry