CVE-2019-8955
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductTor
PublishedFeb 21, 2019
First seenFeb 21, 2019
How to fix
Update
- torproject tor0.3.3.12, 0.3.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| torproject tor | v < 0.3.3.12, 0.3.4.8 ≤ v < 0.3.4.11, 0.3.4.0, 0.3.4.1, 0.3.4.2, 0.3.4.3, 0.3.4.4, 0.3.4.5, 0.3.4.6, 0.3.4.7, 0.3.5.0, 0.3.5.1, 0.3.5.2, 0.3.5.3, 0.3.5.4, 0.3.5.5, 0.3.5.6, 0.3.5.7, 0.4.0.1 | 0.3.3.12, 0.3.4.11 |
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