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golang.org/x/net/html has Improper Restriction of Operations within the Bounds of a Memory Buffer

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated May 20, 2024

Package

gomod golang.org/x/net (Go)

Affected versions

< 0.0.0-20190125002852-4b62a64f59f7

Patched versions

0.0.0-20190125002852-4b62a64f59f7

Description

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <svg><template><desc><t><svg></template>, leading to a panic: runtime error (index out of range) in (*nodeStack).pop in node.go, called from (*parser).clearActiveFormattingElements, during an html.Parse call.

References

Published by the National Vulnerability Database Oct 1, 2018
Published to the GitHub Advisory Database May 13, 2022
Reviewed Feb 7, 2023
Last updated May 20, 2024

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

Weaknesses

CVE ID

CVE-2018-17847

GHSA ID

GHSA-4r78-hx75-jjj2

Source code

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