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Lookup for vulnerabilities affecting packages.

Vulnerability_id VCID-5wd2-9wcr-ayg4

Summary

Inefficient Regular Expression Complexity
A Regular Expression Denial of Service (ReDoS) issue was discovered in the sanitize_html function of redcloth gem v4.0.0. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted payload.

Aliases

alias	CVE-2023-31606

alias	GHSA-qcm3-vfq5-wfr2

Fixed_packages

url	pkg:deb/debian/ruby-redcloth@4.3.3-1?distro=trixie
purl	pkg:deb/debian/ruby-redcloth@4.3.3-1?distro=trixie
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.3-1%3Fdistro=trixie

url	pkg:deb/debian/ruby-redcloth@4.3.4-1
purl	pkg:deb/debian/ruby-redcloth@4.3.4-1
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.4-1

url	pkg:deb/debian/ruby-redcloth@4.3.4-1?distro=trixie
purl	pkg:deb/debian/ruby-redcloth@4.3.4-1?distro=trixie
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.4-1%3Fdistro=trixie

url	pkg:deb/debian/ruby-redcloth@4.3.4-2?distro=trixie
purl	pkg:deb/debian/ruby-redcloth@4.3.4-2?distro=trixie
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.4-2%3Fdistro=trixie

url	pkg:ebuild/dev-ruby/redcloth@4.3.2-r5
purl	pkg:ebuild/dev-ruby/redcloth@4.3.2-r5
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-ruby/redcloth@4.3.2-r5

url	pkg:gem/RedCloth@4.3.3
purl	pkg:gem/RedCloth@4.3.3
is_vulnerable	`false`
affected_by_vulnerabilities
resource_url	http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.3.3

Affected_packages

url pkg:deb/debian/ruby-redcloth@4.3.2-3

purl pkg:deb/debian/ruby-redcloth@4.3.2-3

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.2-3

url pkg:deb/debian/ruby-redcloth@4.3.2-3?distro=trixie

purl pkg:deb/debian/ruby-redcloth@4.3.2-3?distro=trixie

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.2-3%3Fdistro=trixie

url pkg:deb/debian/ruby-redcloth@4.3.2-4

purl pkg:deb/debian/ruby-redcloth@4.3.2-4

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.2-4

url pkg:deb/debian/ruby-redcloth@4.3.2-4?distro=trixie

purl pkg:deb/debian/ruby-redcloth@4.3.2-4?distro=trixie

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-redcloth@4.3.2-4%3Fdistro=trixie

url pkg:gem/RedCloth@3.0.0

purl pkg:gem/RedCloth@3.0.0

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@3.0.0

url pkg:gem/RedCloth@3.0.1

purl pkg:gem/RedCloth@3.0.1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@3.0.1

url pkg:gem/RedCloth@3.0.2

purl pkg:gem/RedCloth@3.0.2

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@3.0.2

url pkg:gem/RedCloth@3.0.3

purl pkg:gem/RedCloth@3.0.3

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@3.0.3

url pkg:gem/RedCloth@3.0.4

purl pkg:gem/RedCloth@3.0.4

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@3.0.4

url pkg:gem/RedCloth@4.0.0

purl pkg:gem/RedCloth@4.0.0

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.0.0

url pkg:gem/RedCloth@4.0.1

purl pkg:gem/RedCloth@4.0.1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.0.1

url pkg:gem/RedCloth@4.0.2

purl pkg:gem/RedCloth@4.0.2

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.0.2

url pkg:gem/RedCloth@4.0.3

purl pkg:gem/RedCloth@4.0.3

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.0.3

url pkg:gem/RedCloth@4.0.4

purl pkg:gem/RedCloth@4.0.4

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.0.4

url pkg:gem/RedCloth@4.1.0

purl pkg:gem/RedCloth@4.1.0

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.1.0

url pkg:gem/RedCloth@4.1.1

purl pkg:gem/RedCloth@4.1.1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.1.1

url pkg:gem/RedCloth@4.1.9

purl pkg:gem/RedCloth@4.1.9

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.1.9

url pkg:gem/RedCloth@4.2.0

purl pkg:gem/RedCloth@4.2.0

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.0

url pkg:gem/RedCloth@4.2.1

purl pkg:gem/RedCloth@4.2.1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.1

url pkg:gem/RedCloth@4.2.2

purl pkg:gem/RedCloth@4.2.2

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.2

url pkg:gem/RedCloth@4.2.3

purl pkg:gem/RedCloth@4.2.3

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.3

url pkg:gem/RedCloth@4.2.4.pre1

purl pkg:gem/RedCloth@4.2.4.pre1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.4.pre1

url pkg:gem/RedCloth@4.2.4.pre2

purl pkg:gem/RedCloth@4.2.4.pre2

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.4.pre2

url pkg:gem/RedCloth@4.2.4.pre3

purl pkg:gem/RedCloth@4.2.4.pre3

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.4.pre3

url pkg:gem/RedCloth@4.2.4

purl pkg:gem/RedCloth@4.2.4

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.4

url pkg:gem/RedCloth@4.2.5

purl pkg:gem/RedCloth@4.2.5

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.5

url pkg:gem/RedCloth@4.2.7

purl pkg:gem/RedCloth@4.2.7

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.7

url pkg:gem/RedCloth@4.2.8

purl pkg:gem/RedCloth@4.2.8

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.8

url pkg:gem/RedCloth@4.2.9

purl pkg:gem/RedCloth@4.2.9

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-4key-48mr-13f4

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.2.9

url pkg:gem/RedCloth@4.3.0

purl pkg:gem/RedCloth@4.3.0

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.3.0

url pkg:gem/RedCloth@4.3.1

purl pkg:gem/RedCloth@4.3.1

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.3.1

url pkg:gem/RedCloth@4.3.2

purl pkg:gem/RedCloth@4.3.2

is_vulnerable true

affected_by_vulnerabilities

vulnerability	VCID-5wd2-9wcr-ayg4

resource_url http://public2.vulnerablecode.io/packages/pkg:gem/RedCloth@4.3.2

References

reference_url

https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-31606.json

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

url

https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-31606.json

reference_url

https://api.first.org/data/v1/epss?cve=CVE-2023-31606

reference_id

reference_type

scores

value	0.00912
scoring_system	epss
scoring_elements	0.76198
published_at	2026-05-30T12:55:00Z

url

https://api.first.org/data/v1/epss?cve=CVE-2023-31606

reference_url

https://github.com/jgarber/redcloth

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/jgarber/redcloth

reference_url

https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/jgarber/redcloth/blob/v4.3.2/lib/redcloth/formatters/html.rb#L327

reference_url

https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/jgarber/redcloth/commit/8b1327688fef8e6617792054ef299d7bc74c0a1e

reference_url

https://github.com/jgarber/redcloth/issues/73

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/jgarber/redcloth/issues/73

reference_url

https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html

reference_id

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://lists.debian.org/debian-lts-announce/2023/07/msg00002.html

reference_url	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040488
reference_id	1040488
reference_type
scores
url	https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1040488

reference_url	https://bugzilla.redhat.com/show_bug.cgi?id=2221255
reference_id	2221255
reference_type
scores
url	https://bugzilla.redhat.com/show_bug.cgi?id=2221255

reference_url

https://nvd.nist.gov/vuln/detail/CVE-2023-31606

reference_id

CVE-2023-31606

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://nvd.nist.gov/vuln/detail/CVE-2023-31606

reference_url

https://github.com/e23e/CVE-2023-31606#readme

reference_id

CVE-2023-31606#README

reference_type

scores

value	7.5
scoring_system	cvssv3
scoring_elements

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/e23e/CVE-2023-31606#readme

reference_url

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml

reference_id

CVE-2023-31606.YML

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/RedCloth/CVE-2023-31606.yml

reference_url

https://github.com/advisories/GHSA-qcm3-vfq5-wfr2

reference_id

GHSA-qcm3-vfq5-wfr2

reference_type

scores

value	HIGH
scoring_system	cvssv3.1_qr
scoring_elements

url

https://github.com/advisories/GHSA-qcm3-vfq5-wfr2

reference_url

https://security.gentoo.org/glsa/202401-14

reference_id

GLSA-202401-14

reference_type

scores

value	7.5
scoring_system	cvssv3.1
scoring_elements	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

value	HIGH
scoring_system	generic_textual
scoring_elements

url

https://security.gentoo.org/glsa/202401-14

reference_url	https://usn.ubuntu.com/6358-1/
reference_id	USN-6358-1
reference_type
scores
url	https://usn.ubuntu.com/6358-1/

Weaknesses

cwe_id	1035
name	OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
description	Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017.

cwe_id	1333
name	Inefficient Regular Expression Complexity
description	The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

cwe_id	937
name	OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
description	Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013.

Exploits

Severity_range_score 7.0 - 8.9

Exploitability 0.5

Weighted_severity 6.8

Risk_score 3.4

Resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-5wd2-9wcr-ayg4

Vulnerability Instance