Tor: Multiple vulnerabilities — GLSA 202107-25

Multiple vulnerabilities have been found in Tor, the worst of which could result in a Denial of Service condition.

Affected packages

net-vpn/tor on all architectures
Affected versions < 0.4.6.5
Unaffected versions >= 0.4.6.5
>= 0.4.5.9
>= 0.4.4.9

Background

Tor is an implementation of second generation Onion Routing, a connection-oriented anonymizing communication service.

Description

Multiple vulnerabilities have been discovered in Tor. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Tor 0.4.6.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.6.5"
 

All Tor 0.4.5.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.5.9"
 

All Tor 0.4.4.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.4.9"
 

References

Release date
July 10, 2021

Latest revision
July 10, 2021: 1

Severity
normal

Exploitable
remote

Bugzilla entries