CVE-2018-12248: 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…

PriorityP433high7.5CVSS 3.0

AVNACLPRNUINSUCNINAH

EPSS

1.55%

72.2th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	mruby	< mruby 1.4.1+20180622+git640fca32-1 (bookworm)	mruby 1.4.1+20180622+git640fca32-1 (bookworm)
mruby	mruby	—	—
mruby	mruby	>= 0 < 1.4.1+20180622+git640fca32-1	1.4.1+20180622+git640fca32-1
mruby	mruby	>= 0 < 1.4.1+20180622+git640fca32-1	1.4.1+20180622+git640fca32-1
mruby	mruby	>= 0 < 1.4.1+20180622+git640fca32-1	1.4.1+20180622+git640fca32-1
mruby	mruby	>= 0 < 1.4.1+20180622+git640fca32-1	1.4.1+20180622+git640fca32-1

CVSS provenance

nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

osv7.5HIGH

vendor_debian7.5HIGH

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