GHSA-87vv-r9j6-g5qv · Severity: medium · Ecosystem: npm — Regular Expression Denial of Service in moment
The duration function in the moment package before 2.11.2 for Node.js allows remote attackers to cause a denial of service (CPU consumption) via a long string, aka a "regular expression Denial of Service (ReDoS)."
Conclusion & alert: CVE-2016-4055 is rated High Exploit Risk (69.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.71%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-22 | 4.05% | 2.71% | -1.34% |
| 2 | 2026-03-04 | 1.88% | 4.05% | +2.17% |
| 3 | 2026-03-01 | — | 1.88% | — |
Full EPSS history (37 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
GHSA-87vv-r9j6-g5qv · Severity: medium · Ecosystem: npm — Regular Expression Denial of Service in moment
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2016-4055 unimportant priority: Debian including 1 source packages (node-moment), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-4055 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-4055 |
ubuntu
|
medium | CVE-2016-4055 medium priority: Ubuntu including 1 source packages (node-moment), 17 status rows across 17 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, precise, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 9, DNE 3, ignored 3, released 2. | https://ubuntu.com/security/CVE-2016-4055 |