What’s Vulnerable › Vulnerabilities

CVE-2015-5380

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-07-09 · updated 2026-06-17
• Weakness: CWE-119

Description

The Utf8DecoderBase::WriteUtf16Slow function in unicode-decoder.cc in Google V8, as used in Node.js before 0.12.6, io.js before 1.8.3 and 2.x before 2.3.3, and other products, does not verify that there is memory available for a UTF-16 surrogate pair, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted byte sequence.

Affected products

• Google V8: all versions
• Iojs Io.Js: through 1.8.2; 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.2.0, 2.2.1 (+3)
• Node.js: through 0.12.5

References

• http://blog.nodejs.org/2015/07/03/node-v0-12-6-stable/
• http://www.securityfocus.com/bid/75556
• https://codereview.chromium.org/1226493003
• https://github.com/joyent/node/issues/25583
• https://medium.com/%40iojs/important-security-upgrades-for-node-js-and-io-js-8ac14ece5852
• http://blog.nodejs.org/2015/07/03/node-v0-12-6-stable/
• http://www.securityfocus.com/bid/75556
• https://codereview.chromium.org/1226493003
• https://github.com/joyent/node/issues/25583
• https://medium.com/%40iojs/important-security-upgrades-for-node-js-and-io-js-8ac14ece5852

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