Source: mruby
Version: 1.4.1-2
Severity: important
Tags: patch security upstream
Forwarded: https://github.com/mruby/mruby/issues/4038

Hi,

The following vulnerability was published for mruby.

CVE-2018-12248[0]:
| 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.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-12248
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12248
[1] https://github.com/mruby/mruby/issues/4038
[2] 
https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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