VULNERABILITY INTELLIGENCE

CVE-2018-11743

CVSS score9.8 CRITICAL

EPSS probability2.17%

CISA KEVNot currently listed

Published2018-06-05

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

CWE-824: Access of Uninitialized Pointer

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
cve@mitre.org — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory