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Vulnerability details: VCID-d1f6-59hf-aaaf
Vulnerability ID VCID-d1f6-59hf-aaaf
Aliases CVE-2019-19956
Summary xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-401 Missing Release of Memory after Effective Lifetime
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
CWE-772 Missing Release of Resource after Effective Lifetime
System Score Found at
cvssv3.1 7.5 http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html
generic_textual HIGH http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-19956.html
rhas Important https://access.redhat.com/errata/RHSA-2020:2644
rhas Important https://access.redhat.com/errata/RHSA-2020:2646
rhas Moderate https://access.redhat.com/errata/RHSA-2020:3996
rhas Moderate https://access.redhat.com/errata/RHSA-2020:4479
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19956.json
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
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epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
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epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
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epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
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epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00155 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00156 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.0016 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00212 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00493 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00587 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00587 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00587 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
epss 0.00587 https://api.first.org/data/v1/epss?cve=CVE-2019-19956
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1788856
cvssv3.1 7.5 https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf
generic_textual HIGH https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19956
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Low https://lists.debian.org/debian-lts-announce/2019/12/msg00032.html
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-19956
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-19956
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-19956
generic_textual Low https://ubuntu.com/security/notices/USN-4274-1
cvssv3.1 7.5 https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08
generic_textual HIGH https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08
generic_textual Low https://usn.ubuntu.com/usn/usn-4274-1
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpujul2020.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpujul2020.html
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00005.html
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-19956.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19956.json
https://api.first.org/data/v1/epss?cve=CVE-2019-19956
https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19956
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://gitlab.gnome.org/GNOME/libxml2/commit/5a02583c7e683896d84878bd90641d8d9b0d0549
https://lists.debian.org/debian-lts-announce/2019/12/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/
https://security.netapp.com/advisory/ntap-20200114-0002/
https://ubuntu.com/security/notices/USN-4274-1
https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08
https://usn.ubuntu.com/4274-1/
https://usn.ubuntu.com/usn/usn-4274-1
https://www.oracle.com/security-alerts/cpujul2020.html
1788856 https://bugzilla.redhat.com/show_bug.cgi?id=1788856
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:real_user_experience_insight:13.3.1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:real_user_experience_insight:13.3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
CVE-2019-19956 https://nvd.nist.gov/vuln/detail/CVE-2019-19956
RHSA-2020:2644 https://access.redhat.com/errata/RHSA-2020:2644
RHSA-2020:2646 https://access.redhat.com/errata/RHSA-2020:2646
RHSA-2020:3996 https://access.redhat.com/errata/RHSA-2020:3996
RHSA-2020:4479 https://access.redhat.com/errata/RHSA-2020:4479
RHSA-2021:0949 https://access.redhat.com/errata/RHSA-2021:0949
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19956.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://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf
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:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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/2020/09/msg00009.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-2019-19956
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-2019-19956
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://nvd.nist.gov/vuln/detail/CVE-2019-19956
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://us-cert.cisa.gov/ics/advisories/icsa-21-103-08
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:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujul2020.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
Exploit Prediction Scoring System (EPSS)
Percentile 0.33139
EPSS Score 0.00155
Published At April 11, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.