CVE-2019-8955
N/A
Published: February 21, 2019 at 11:00 PM UTC
Updated: June 17, 2026 at 02:42 AM UTC
1 product affected across 1 vendorTor
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Severity
N/A
Exploit prediction
EPSS 5%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.3.3.120.3.4.8 ≤ v < 0.3.4.110.3.4.0 alpha-dev0.3.4.1 alpha0.3.4.2 alpha0.3.4.3 alpha0.3.4.4 rc0.3.4.5 rc0.3.4.6 rc0.3.4.7 rc0.3.5.0 alpha-dev0.3.5.1 alpha0.3.5.2 alpha0.3.5.3 alpha0.3.5.4 alpha0.3.5.5 alpha0.3.5.6 rc0.3.5.70.4.0.1 alpha
Affected range stops below 0.3.3.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 0.3.4.11, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Vendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00013.htmlVDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/107136x_refsource_MISCVendor Advisory
Source: [email protected]
https://blog.torproject.org/new-releases-tor-0402-alpha-0358-03411-and-03312x_refsource_MISCVendor Advisory
Source: [email protected]
https://trac.torproject.org/projects/tor/ticket/29168Quick Info
StatusMODIFIED
CWE
CWE-770
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