CVE-2018-17847
golang-org-x-net-html: index out of range in (*nodeStack).pop in node.go causes runtime panic during html.Parse() call
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 1, 2018
Updated · February 26, 2026
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-20 · Improper Input Validation