Vulnerability in F5 Njs

CVE-2019-11837

njs through 0.3.1, used in NGINX, has a segmentation fault in String.prototype.toBytes for negative arguments, related to nxt_utf8_next in nxt/nxt_utf8.h and njs_string_offset in njs/njs_string.c.

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2019-11837?
CVE-2019-11837 is a high-severity vulnerability in F5 Njs, classified under CWE-189. CVSS score: 7.5/10. Published 2019-05-09.
How severe is CVE-2019-11837?
High severity. CVSS v3 base score is 7.5 out of 10.