Description
njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/nginx/njs/issues/174
Permissions Required, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093
Scores
CVSS v3
6.5
EPSS
0.0029
EPSS Percentile
52.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
f5/njs
< 0.3.3
Published
Jul 16, 2019
Tracked Since
Feb 18, 2026