What is CVE-2017-11465?

CVE-2017-11465 is a critical-severity vulnerability in Ruby-lang Ruby, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-07-19.

How severe is CVE-2017-11465?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Out-of-bounds Read in Ruby-lang Ruby

CVE-2017-11465

The parser_yyerror function in the UTF-8 parser in Ruby 2.4.1 allows attackers to cause a denial of service (invalid write or read) or possibly have unspecified other impact via a crafted Ruby script, related to the parser_tokadd_utf8 func…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (56.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ruby-lang Ruby — versions 2.4.1
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2017-11465?: CVE-2017-11465 is a critical-severity vulnerability in Ruby-lang Ruby, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-07-19.
How severe is CVE-2017-11465?: Critical severity. CVSS v3 base score is 9.8 out of 10.