GO-2021-0078

vendorUSosv

Panic when parsing malformed HTML in golang.org/x/net/html

view advisory published 2021-04-14Licence: per source

The HTML parser does not properly handle "in frameset" insertion mode, and can be made to panic when operating on malformed HTML that contains <template> tags. If operating on user input, this may be a vector for a denial of service attack.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2018-17075UShigh7.5—
The html package (aka x/net/html) before 2018-07-13 in Go mishandles "in frameset" insertion mode, leading to a "panic: runtime error" for html.Parse of <template><object>, <templa…
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references

External citations — patches, advisories, analysis.

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