Regular Expression Denial of Service in negotiator

高危 7.5CVE-2016-10539 · GHSA-7mc5-chhp-fmc3 · Published 31/05/2018 · updated 17/06/2026

要点

CVE-2016-10539 是影响 negotiator (negotiator project), negotiator 的高危 (CVSS 7.5)漏洞。
未来 30 天内被利用的概率（EPSS）：1.4%，高于 72.5% 的漏洞。
修复：升级到 0.6.1 或更高版本。

Package	Affected versions	Patched versions
negotiator negotiator_project	`≤ 0.6.0`	No fix yet
negotiator npm	`< 0.6.1`	`0.6.1`

Description

Affected versions of negotiator are vulnerable to regular expression denial of service attacks, which trigger upon parsing a specially crafted Accept-Language header value.

Recommendation

Update to version 0.6.1 or later.

NVD description

negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed by negotiator 0.6.0 and earlier is vulnerable to Regular Expression Denial of Service via a specially crafted string.

References

nvd.nist.gov/vuln/detail/CVE-2016-10539 · ADVISORY
GitHub Advisory GHSA-7mc5-chhp-fmc3 · ADVISORY
npmjs.com/advisories/106 · WEB
nodesecurity.io/advisories/106 · Third Party Advisory

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free