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Vulnerability details: VCID-rh8q-s45v-xbhg
Vulnerability ID VCID-rh8q-s45v-xbhg
Aliases CVE-2011-1004
GHSA-45wv-gc6w-fq7m
OSV-70958
Summary Multiple vulnerabilities have been found in Ruby, allowing context-dependent attackers to cause a Denial of Service condition.
Status Published
Exploitability 0.5
Weighted Severity 5.7
Risk 2.9
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-59 Improper Link Resolution Before File Access ('Link Following')
System Score Found at
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2011-1004
cvssv2 6.3 https://nvd.nist.gov/vuln/detail/CVE-2011-1004
Reference id Reference type URL
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html
http://osvdb.org/70958
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1004.json
https://api.first.org/data/v1/epss?cve=CVE-2011-1004
http://secunia.com/advisories/43434
http://secunia.com/advisories/43573
http://support.apple.com/kb/HT5281
https://www.ruby-lang.org/en/news/2011/02/18/fileutils-is-vulnerable-to-symlink-race-attacks
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
http://www.openwall.com/lists/oss-security/2011/02/21/2
http://www.openwall.com/lists/oss-security/2011/02/21/5
http://www.redhat.com/support/errata/RHSA-2011-0909.html
http://www.redhat.com/support/errata/RHSA-2011-0910.html
http://www.ruby-lang.org/en/news/2011/02/18/fileutils-is-vulnerable-to-symlink-race-attacks/
http://www.securityfocus.com/bid/46460
http://www.vupen.com/english/advisories/2011/0539
678913 https://bugzilla.redhat.com/show_bug.cgi?id=678913
cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.8.8:dev:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.8.8:dev:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.2:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:dev:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.3:dev:*:*:*:*:*:*
CVE-2011-1004 https://nvd.nist.gov/vuln/detail/CVE-2011-1004
GLSA-201412-27 https://security.gentoo.org/glsa/201412-27
RHSA-2011:0909 https://access.redhat.com/errata/RHSA-2011:0909
RHSA-2011:0910 https://access.redhat.com/errata/RHSA-2011:0910
USN-1377-1 https://usn.ubuntu.com/1377-1/
No exploits are available.
Vector: AV:L/AC:M/Au:N/C:N/I:C/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2011-1004
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.13495
EPSS Score 0.00044
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:14:42.270014+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201412-27 38.0.0