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CVE-2017-17497

Published: 10 December 2017

In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the "children of the head" processing feature is modified in the loop without validating the new value.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
tidy
Launchpad, Ubuntu, Debian
groovy Does not exist

hirsute Does not exist

artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

trusty Not vulnerable
(code not present)
upstream Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
zesty Does not exist

tidy-html5
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(code not present)
artful Ignored
(end of life)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
disco Not vulnerable
(code not present)
eoan Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Not vulnerable
(code not present)
trusty Does not exist

upstream
Released (2:5.6.0-3)
xenial Does not exist

zesty Ignored
(end of life)

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