x/net/html Vulnerable to DoS During HTML Parsing · CVE-2018-17846 · GitHub Advisory Database · GitHub

x/net/html Vulnerable to DoS During HTML Parsing

High severity GitHub Reviewed Published Sep 25, 2023 to the GitHub Advisory Database • Updated Sep 25, 2023

Package

golang.org/x/net (Go)

Affected versions

< 0.0.0-20190125091013-d26f9f9a57f3

Patched versions

0.0.0-20190125091013-d26f9f9a57f3

Description

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <table><math><select><mi><select></table>, leading to an infinite loop during an html.Parse call because inSelectIM and inSelectInTableIM do not comply with a specification.

References

Published to the GitHub Advisory Database Sep 25, 2023

Reviewed Sep 25, 2023

Last updated Sep 25, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H