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CVE-2017-9334

Published: 1 June 2017

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
chicken
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic Not vulnerable
(4.12.0-0.3)
cosmic Not vulnerable
(4.12.0-0.3)
disco Not vulnerable
(4.12.0-0.3)
eoan Not vulnerable
(4.12.0-0.3)
focal Not vulnerable
(4.12.0-0.3)
trusty Does not exist
(trusty was needed)
upstream
Released (4.12.0-0.2)
xenial Needed

jammy Not vulnerable
(4.12.0-0.3)
kinetic Not vulnerable
(4.12.0-0.3)
lunar Not vulnerable
(4.12.0-0.3)
groovy Not vulnerable
(4.12.0-0.3)
hirsute Not vulnerable
(4.12.0-0.3)
impish Not vulnerable
(4.12.0-0.3)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
mantic Not vulnerable
(4.12.0-0.3)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H