Vulnerability Report

CVE-2017-11465

Title: Ruby-Lang Ruby Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-11465.

CWE Category CWE-125

Published Date Jul 19, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

0.34%

Vulnerability Summary

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 function in parse.y. NOTE: this might have security relevance as a bypass of a $SAFE protection mechanism.

Impacted Vendors

yukihiro_matsumoto 1

ruby-lang 1

Reference Links

https://bugs.ruby-lang.org/issues/13742 https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/59344 https://bugs.ruby-lang.org/issues/13742 https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/59344

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns