Out-of-bounds Read Affecting mruby package, versions <1.4.1+20180622+git640fca32-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-DEBIAN12-MRUBY-1554116
  • published12 Jun 2018
  • disclosed12 Jun 2018

Introduced: 12 Jun 2018

CVE-2018-12248  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:12 mruby to version 1.4.1+20180622+git640fca32-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mruby package and not the mruby package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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.