cbcvebase.
CVE-2015-2689
published 2020-01-24

CVE-2015-2689: Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle pending-connection resolve states during periods of high DNS load, which allows remote…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
Tor before 0.2.4.26 and 0.2.5.x before 0.2.5.11 does not properly handle pending-connection resolve states during periods of high DNS load, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via crafted packets.

Affected

9 ranges
VendorProductVersion rangeFixed in
debiantor< tor 0.2.5.11-1 (bookworm)tor 0.2.5.11-1 (bookworm)
the_tor_projecttor
the_tor_projecttor
torprojecttor< 0.2.4.260.2.4.26
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0 < 0.2.5.11-10.2.5.11-1
torprojecttor>= 0.2.5.1 < 0.2.5.110.2.5.11

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH