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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.029 (86.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
Weakness classification (CWE)
References
- unit.nginx.org/CHANGES.txt (Release Notes, Vendor Advisory)
- mailman.nginx.org/pipermail/unit/2019-February/000113.html (Mailing List, Vendor Advisory)
- hg.nginx.org/unit/file/tip/CHANGES (Release Notes, Vendor Advisory)
- www.securityfocus.com/bid/106956 (VDB Entry, Third Party Advisory, vdb-entry)
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.