CVE-2016-10578: unicode loads unicode data downloaded from unicode.org into nodejs

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HIGH 8.1REMOTEUPGRADE

CVE-2016-10578 is a high-severity flaw (CVSS 8.1) affecting unicode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

unicode loads unicode data downloaded from unicode.org into nodejs. Unicode before 9.0.0 downloads binary resources over HTTP, which leaves it vulnerable to MITM attacks.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-311, CWE-310
Published	2018-05-29
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: unicode project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-05-29 20:29 UTCPublished CVE record published
2026-06-17 00:39 UTCUpdated Record last modified

unicode project unicode UPGRADE

Affected: < 9.0.0

Fixed in: 9.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls unicode

2. UPGRADE to 9.0.0

npm install unicode@">=9.0.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-10578?

unicode: upgrade to 9.0.0. Exact commands for each OS are on this page.

Is CVE-2016-10578 being exploited?

CVE-2016-10578 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-10578 affect?

CVE-2016-10578 affects unicode. Severity is high (CVSS 8.1). unicode loads unicode data downloaded from unicode.org into nodejs. Unicode before 9.0.0 downloads binary resources over HTTP, which leaves it vulnerable to MITM attacks.

How urgent is CVE-2016-10578?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

Related CVEs

CVE-2021-42694 HIGH 8.3 UPGRADE An issue was discovered in the character definitions of the Unicode Specification through 14.0
CVE-2021-42574 HIGH 8.3 UPGRADE MITIGATE An issue was discovered in the Bidirectional Algorithm in the Unicode Specification through 14.0

References

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