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Vulnerability details: VCID-vme5-mkru-k3aj
Vulnerability ID VCID-vme5-mkru-k3aj
Aliases CVE-2019-17007
Summary In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, resulting in a denial of service.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-476 NULL Pointer Dereference
CWE-295 Improper Certificate Validation
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17007.json
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2019-17007
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-17007
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-17007
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17007.json
https://api.first.org/data/v1/epss?cve=CVE-2019-17007
https://bugzilla.mozilla.org/show_bug.cgi?id=1533216
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11745
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17007
https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.44_release_notes
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
1703979 https://bugzilla.redhat.com/show_bug.cgi?id=1703979
cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
CVE-2019-17007 https://nvd.nist.gov/vuln/detail/CVE-2019-17007
RHSA-2021:0876 https://access.redhat.com/errata/RHSA-2021:0876
USN-4215-1 https://usn.ubuntu.com/4215-1/
No exploits are available.
Vector: CVSS:3.0/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-2019-17007.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://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:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-17007
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-2019-17007
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 0.50754
EPSS Score 0.00276
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:42:14.774104+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4215-1/ 37.0.0