CVE-2019-8955 — Allocation of Resources Without Limits or Throttling in TOR
Severity
7.5HIGHNVD
EPSS
1.9%
top 16.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedFeb 21
Latest updateOct 4
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6
Affected Packages3 packages
🔴Vulnerability Details
4📋Vendor Advisories
2💬Community
3Bugzilla▶
CVE-2019-8955 tor: memory exhaustion in the KIST cell scheduler resulting in denial of service↗2019-02-22
Bugzilla▶
CVE-2019-8955 tor: memory exhaustion in the KIST cell scheduler resulting in denial of service [fedora-all]↗2019-02-22
Bugzilla▶
CVE-2019-8955 tor: memory exhaustion in the KIST cell scheduler resulting in denial of service [epel-7]↗2019-02-22