Heap-Based Buffer Over-Read Vulnerability in njs through 0.3.3

CVE-2019-13617 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:N/A:P

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.

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