CVE-2014-4975

high

Description

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.

References

Advisories
More

http://www.ubuntu.com/usn/USN-2397-1

http://www.securityfocus.com/bid/68474

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.debian.org/security/2015/dsa-3157

http://rhn.redhat.com/errata/RHSA-2014-1914.html

http://rhn.redhat.com/errata/RHSA-2014-1913.html

http://rhn.redhat.com/errata/RHSA-2014-1912.html

http://advisories.mageia.org/MGASA-2014-0472.html

https://exchange.xforce.ibmcloud.com/vulnerabilities/94706

https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-4890

https://bugzilla.redhat.com/show_bug.cgi?id=1118158

https://bugs.ruby-lang.org/issues/10019

http://www.openwall.com/lists/oss-security/2014/07/09/13

http://www.mandriva.com/security/advisories?name=MDVSA-2015:129

http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=46778

Details

Source: Mitre, NVD

Published: 2014-11-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.02908