CVE-2018-12248 — Out-of-bounds Read in Mruby
Severity
7.5HIGHNVD
EPSS
0.3%
top 49.08%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJun 12
Latest updateMay 13
Description
An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6