CVE-2020-6839 — Out-of-bounds Write in Mruby

CWE-787 — Out-of-bounds Write4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
0.5%
top 33.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
MrubyDebian Mruby
Timeline
PublishedJan 11
Latest updateMay 24

Description

In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in string.c.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDmruby/mruby2.1.0
▶debiandebian/mruby

🔴Vulnerability Details

2
GHSA
GHSA-24vp-v896-cq3c: In mruby 2↗2022-05-24
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OSV
CVE-2020-6839: In mruby 2↗2020-01-11
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📋Vendor Advisories

1
Debian
CVE-2020-6839: mruby - In mruby 2.1.0, there is a stack-based buffer overflow in mrb_str_len_to_dbl in ...↗2020
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