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Published: 5 July 2018

The condor_schedd component in HTCondor before 8.6.8 and 8.7.x before 8.7.5 allows remote authenticated users to cause a denial of service (daemon crash) by leveraging use of GSI and VOMS extensions.

From the Ubuntu Security Team

It was discovered that HTCondor mishandled certain crafted input. An attacker could use this vulnerability to cause HTCondor to crash.



Cvss 3 Severity Score


Score breakdown


Package Release Status
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
cosmic Not vulnerable

disco Not vulnerable

eoan Not vulnerable

focal Not vulnerable

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

Released (8.0.5~dfsg.1-1ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Released (8.6.8~dfsg.1-1)
Released (8.4.2~dfsg.1-1ubuntu0.1~esm1)
Available with Ubuntu Pro
zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H