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Vulnerability details: VCID-yp8y-7pyz-nkea
Vulnerability ID VCID-yp8y-7pyz-nkea
Aliases CVE-2019-19344
Summary There is a use-after-free issue in all samba 4.9.x versions before 4.9.18, all samba 4.10.x versions before 4.10.12 and all samba 4.11.x versions before 4.11.5, essentially due to a call to realloc() while other local variables still point at the original buffer.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19344.json
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
epss 0.01747 https://api.first.org/data/v1/epss?cve=CVE-2019-19344
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2019-19344
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2019-19344
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00055.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19344.json
https://api.first.org/data/v1/epss?cve=CVE-2019-19344
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-19344
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19344
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ACZVNMIFQGGXNJPMHAVBN3H2U65FXQY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQ6U65I2K23YJC4FESW477WL55TU3PPT/
https://security.netapp.com/advisory/ntap-20200122-0001/
https://www.samba.org/samba/security/CVE-2019-19344.html
https://www.synology.com/security/advisory/Synology_SA_20_01
1791204 https://bugzilla.redhat.com/show_bug.cgi?id=1791204
950499 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950499
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:directory_server:-:*:*:*:*:*:*:*
cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:router_manager:1.2:*:*:*:*:*:*:*
cpe:2.3:a:synology:skynas:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:synology:skynas:-:*:*:*:*:*:*:*
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:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
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:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:*
CVE-2019-19344 https://nvd.nist.gov/vuln/detail/CVE-2019-19344
USN-4244-1 https://usn.ubuntu.com/4244-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-19344.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:L/UI:N/S:U/C:N/I:N/A:H 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: AV:N/AC:L/Au:S/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19344
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:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-19344
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 0.81755
EPSS Score 0.01747
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:42.358908+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.12/main.json 37.0.0