Buffer overflow in F5 nginx Unit

CVE-2019-7401

NGINX Unit before 1.7.1 might allow an attacker to cause a heap-based buffer overflow in the router process with a specially crafted request. This may result in a denial of service (router process crash) or possibly have unspecified other impact.

Vulnerability class: Buffer Overflow

EPSS: 0.029 (85.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
  • cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
  • cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2019-7401?
CVE-2019-7401 is a critical-severity vulnerability in F5 nginx Unit, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-02-08.
How severe is CVE-2019-7401?
Critical severity. CVSS v3 base score is 9.8 out of 10.