CVE-2018-11743: The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service…

PriorityP430critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

2.20%

80.5th percentile

The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
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

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8CRITICAL

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