CVE-2018-17848: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The html package (aka x/net/html) through 2018-09-25 in Go mishandles <math><template><mn><b></template>, leading to a "panic: runtime error" (index out of range) in (*insertionModeStack).pop in node.go, called from inHeadIM, during an html.Parse call.

Affected products

• Fedoraproject Fedora: version 28 only; version 29 only
• Golang Net: up to and including 2018-09-25

Published 2018-10-01. Last modified 2026-06-17.