Vulnerability Report

CVE-2014-4975

Title: Ruby-Lang Ruby Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2014-4975.

CWE Category CWE-119

Published Date Nov 15, 2014

Modified Date May 06, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

3.40%

Vulnerability Summary

CVE-2014-4975: Off-by-one error in the encodes function in pack.c in Ruby 1.9.3 and earlier, and 2.x through 2.1.2, when using certain format string specifiers, allows context-dependent attackers to cause a denial of service (segmentation fault) via vectors that trigger a stack-based buffer overflow.

Impacted Vendors

yukihiro_matsumoto 1

ruby-lang 1

Reference Links

http://advisories.mageia.org/MGASA-2014-0472.html http://rhn.redhat.com/errata/RHSA-2014-1912.html http://rhn.redhat.com/errata/RHSA-2014-1913.html http://rhn.redhat.com/errata/RHSA-2014-1914.html http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46778 http://www.debian.org/security/2015/dsa-3157 http://www.mandriva.com/security/advisories?name=MDVSA-2015:129 http://www.openwall.com/lists/oss-security/2014/07/09/13 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/68474 http://www.ubuntu.com/usn/USN-2397-1 https://bugs.ruby-lang.org/issues/10019 https://bugzilla.redhat.com/show_bug.cgi?id=1118158 https://exchange.xforce.ibmcloud.com/vulnerabilities/94706 http://advisories.mageia.org/MGASA-2014-0472.html http://rhn.redhat.com/errata/RHSA-2014-1912.html http://rhn.redhat.com/errata/RHSA-2014-1913.html http://rhn.redhat.com/errata/RHSA-2014-1914.html http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46778 http://www.debian.org/security/2015/dsa-3157 http://www.mandriva.com/security/advisories?name=MDVSA-2015:129 http://www.openwall.com/lists/oss-security/2014/07/09/13 http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html http://www.securityfocus.com/bid/68474 http://www.ubuntu.com/usn/USN-2397-1 https://bugs.ruby-lang.org/issues/10019 https://bugzilla.redhat.com/show_bug.cgi?id=1118158 https://exchange.xforce.ibmcloud.com/vulnerabilities/94706

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-4975 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

November 15, 2014 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.