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Vulnerability details: VCID-2nq3-t67f-57ha
Vulnerability ID VCID-2nq3-t67f-57ha
Aliases CVE-2019-20386
Summary systemd: memory leak in button_open() in login/logind-button.c when udev events are received
Status Published
Exploitability 0.5
Weighted Severity 4.6
Risk 2.3
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3.1 5.1 http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
ssvc Track http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
cvssv3 2.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20386.json
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
epss 0.00152 https://api.first.org/data/v1/epss?cve=CVE-2019-20386
cvssv3.1 2.4 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.1 https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
ssvc Track https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
cvssv3.1 5.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
cvssv3.1 5.1 https://security.netapp.com/advisory/ntap-20200210-0002/
ssvc Track https://security.netapp.com/advisory/ntap-20200210-0002/
cvssv3.1 5.1 https://usn.ubuntu.com/4269-1/
ssvc Track https://usn.ubuntu.com/4269-1/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20386.json
https://api.first.org/data/v1/epss?cve=CVE-2019-20386
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20386
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1793979 https://bugzilla.redhat.com/show_bug.cgi?id=1793979
b2774a3ae692113e1f47a336a6c09bac9cfb49ad https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
msg00014.html http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
ntap-20200210-0002 https://security.netapp.com/advisory/ntap-20200210-0002/
RHSA-2020:4007 https://access.redhat.com/errata/RHSA-2020:4007
RHSA-2020:4553 https://access.redhat.com/errata/RHSA-2020:4553
RHSA-2021:0949 https://access.redhat.com/errata/RHSA-2021:0949
USN-4269-1 https://usn.ubuntu.com/4269-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:39:48Z/ Found at http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20386.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:P/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:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:39:48Z/ Found at https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49ad
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:39:48Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZPCOMW5X6IZZXASCDD2CNW2DLF3YADC/
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://security.netapp.com/advisory/ntap-20200210-0002/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:39:48Z/ Found at https://security.netapp.com/advisory/ntap-20200210-0002/
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Found at https://usn.ubuntu.com/4269-1/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:39:48Z/ Found at https://usn.ubuntu.com/4269-1/
Exploit Prediction Scoring System (EPSS)
Percentile 0.35789
EPSS Score 0.00152
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:13:39.692178+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-20386.json 38.0.0