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Vulnerability details: VCID-qyqp-kns2-t3h6
Vulnerability ID VCID-qyqp-kns2-t3h6
Aliases CVE-2019-5815
GHSA-vmfx-gcfq-wvm2
Summary Nokogiri implementation of libxslt vulnerable to heap corruption Type confusion in `xsltNumberFormatGetMultipleLevel` prior to libxslt 1.1.33 could allow attackers to potentially exploit heap corruption via crafted XML data. Nokogiri prior to version 1.10.5 contains a vulnerable version of libxslt. Nokogiri version 1.10.5 upgrades the dependency to libxslt 1.1.34, which contains a patch for this issue.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-787 Out-of-bounds Write
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5815.json
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
epss 0.00095 https://api.first.org/data/v1/epss?cve=CVE-2019-5815
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-vmfx-gcfq-wvm2
cvssv3.1 7.5 https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-5815.yml
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-5815.yml
cvssv3.1 7.5 https://github.com/sparklemotion/nokogiri
generic_textual HIGH https://github.com/sparklemotion/nokogiri
cvssv3 7.5 https://github.com/sparklemotion/nokogiri/issues/2630
cvssv3.1 7.5 https://github.com/sparklemotion/nokogiri/issues/2630
generic_textual HIGH https://github.com/sparklemotion/nokogiri/issues/2630
cvssv3.1 7.5 https://gitlab.gnome.org/GNOME/libxslt/commit/08b62c25871b38d5d573515ca8a065b4b8f64f6b
generic_textual HIGH https://gitlab.gnome.org/GNOME/libxslt/commit/08b62c25871b38d5d573515ca8a065b4b8f64f6b
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-5815
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-5815
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-5815
archlinux Critical https://security.archlinux.org/AVG-952
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5815.json
https://api.first.org/data/v1/epss?cve=CVE-2019-5815
https://bugs.chromium.org/p/chromium/issues/detail?id=930663
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13698
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5805
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5806
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5807
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5808
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5809
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5810
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5811
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5813
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5815
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5818
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5819
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5820
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5821
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5822
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5825
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5826
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5827
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5828
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5829
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5830
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5831
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5832
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5833
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5834
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5836
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5837
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5838
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5839
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5840
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5841
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5842
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5847
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5848
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5849
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5850
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5852
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5853
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5854
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5855
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5856
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5857
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5858
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5859
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5860
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5861
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5862
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5864
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5865
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5867
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5868
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6503
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6504
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-5815.yml
https://github.com/sparklemotion/nokogiri
https://github.com/sparklemotion/nokogiri/issues/2630
https://gitlab.gnome.org/GNOME/libxslt/commit/08b62c25871b38d5d573515ca8a065b4b8f64f6b
https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
https://nvd.nist.gov/vuln/detail/CVE-2019-5815
1702905 https://bugzilla.redhat.com/show_bug.cgi?id=1702905
ASA-201904-12 https://security.archlinux.org/ASA-201904-12
AVG-952 https://security.archlinux.org/AVG-952
cpe:2.3:a:xmlsoft:libxslt:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xmlsoft:libxslt:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
GHSA-vmfx-gcfq-wvm2 https://github.com/advisories/GHSA-vmfx-gcfq-wvm2
RHSA-2019:1021 https://access.redhat.com/errata/RHSA-2019:1021
USN-5575-1 https://usn.ubuntu.com/5575-1/
USN-5575-2 https://usn.ubuntu.com/5575-2/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-5815.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-5815.yml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/sparklemotion/nokogiri
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/sparklemotion/nokogiri/issues/2630
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://gitlab.gnome.org/GNOME/libxslt/commit/08b62c25871b38d5d573515ca8a065b4b8f64f6b
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/09/msg00010.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5815
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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-5815
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.27464
EPSS Score 0.00095
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:04:55.551790+00:00 Ruby Importer Import https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2019-5815.yml 37.0.0