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Vulnerability details: VCID-jj3a-fpsa-a7at
Vulnerability ID VCID-jj3a-fpsa-a7at
Aliases CVE-2012-5371
GHSA-phrv-cj28-9h57
OSV-87863
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 4.5
Risk 2.2
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-310 Cryptographic Issues
System Score Found at
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
epss 0.01793 https://api.first.org/data/v1/epss?cve=CVE-2012-5371
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2012-5371
Reference id Reference type URL
http://2012.appsec-forum.ch/conferences/#c17
http://asfws12.files.wordpress.com/2012/11/asfws2012-jean_philippe_aumasson-martin_bosslet-hash_flooding_dos_reloaded.pdf
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2012-5371.json
https://api.first.org/data/v1/epss?cve=CVE-2012-5371
http://secunia.com/advisories/51253
http://securitytracker.com/id?1027747
https://exchange.xforce.ibmcloud.com/vulnerabilities/79993
https://www.131002.net/data/talks/appsec12_slides.pdf
https://www.ruby-lang.org/en/news/2012/11/09/ruby19-hashdos-cve-2012-5371
http://www.ocert.org/advisories/ocert-2012-001.html
http://www.osvdb.org/87280
http://www.ruby-lang.org/en/news/2012/11/09/ruby19-hashdos-cve-2012-5371/
http://www.securityfocus.com/bid/56484
http://www.ubuntu.com/usn/USN-1733-1
875236 https://bugzilla.redhat.com/show_bug.cgi?id=875236
cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
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:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.3:p0:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.3:p125:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:1.9.3:p194:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:2.0:*:*:*:*:*:*:*
cpe:2.3:a:ruby-lang:ruby:*:p286:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ruby-lang:ruby:*:p286:*:*:*:*:*:*
CVE-2012-5371 https://nvd.nist.gov/vuln/detail/CVE-2012-5371
GLSA-201412-27 https://security.gentoo.org/glsa/201412-27
USN-1733-1 https://usn.ubuntu.com/1733-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2012-5371
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 0.82691
EPSS Score 0.01793
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:14:42.348556+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/201412-27 38.0.0