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HIGH

CVE-2018-17848

CVSS v3

7.5

HIGH

EPSS Score

2.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2018-10-01

Frequently asked questions

What is CVE-2018-17848?

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.

Is CVE-2018-17848 actively exploited?

Active exploitation of CVE-2018-17848 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-17848?

CVE-2018-17848 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2018-17848 affecting your environment?

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