CVE-2019-8955

tor: In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denia...

CVE-2019-8955 is fixed in 2 products on 1 platform, first by tor 0.3.2.10-1ubuntu0.2~esm1, released February 21, 2019. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0457
91st percentile

In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.

Where it's fixed

ProductFixed inFixReleased
Linux
tor · Ubuntu 18.04.6 LTS (bionic) 0.3.2.10-1ubuntu0.2~esm1 tor 0.3.2.10-1ubuntu0.2~esm1 Feb 21, 2019
tor-geoipdb · Ubuntu 18.04.6 LTS (bionic) 0.3.2.10-1ubuntu0.2~esm1 tor-geoipdb 0.3.2.10-1ubuntu0.2~esm1 Feb 21, 2019

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