CVE-2019-16168

In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlite_stat1 sz field, aka a "severe division by zero in the query planner."

Published: 2019-09-09 Last update: 2026-05-28 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-16168 is rated Moderate Risk (53.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.09%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-16168

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 0.84% 1.09% +0.24%
2 2026-03-11 0.87% 0.84% -0.02%
3 2026-02-26 — 0.87% —

Full EPSS history (41 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-16168

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2019-16168

GitHub Security Advisory for CVE-2019-16168

GHSA-m2vp-56p6-9q2h · Severity: medium — In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other...

OS Trackers for CVE-2019-16168

vendor priority summary link
alpine medium CVE-2019-16168: 1 source package rows (sqlite); 6 state rows across 6 repos (3.10-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 1, open 5. https://security.alpinelinux.org/vuln/CVE-2019-16168
debian not yet assigned CVE-2019-16168 not yet assigned priority: Debian including 1 source packages (sqlite3), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-16168
gentoo normal CVE-2019-16168: 1 GLSA(s) (202003-16), 1 atom(s) (dev-db/sqlite); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2019-16168
redhat medium — https://access.redhat.com/security/cve/CVE-2019-16168
suse medium CVE-2019-16168 severity moderate: SUSE including 442 source package names (0.1.0:libsqlite3-0-3.28.0-3.9.2, 0.1.75:libsqlite3-0-3.28.0-3.9.2, …), 1088 product×package rows across 552 product lines (Container bci/bci-init, Container bci/bci-sle15-kernel-module-devel, … (552 product lines)): Fixed 847, Known Affected 136, Known Not Affected 105. https://www.suse.com/security/cve/CVE-2019-16168/
ubuntu low CVE-2019-16168 low priority: Ubuntu including 1 source packages (sqlite3), 6 status rows across 6 suites (bionic, disco, eoan, trusty, upstream, xenial): released 4, not-affected 2. https://ubuntu.com/security/CVE-2019-16168

Affected software / configurations for CVE-2019-16168

Vendor Product Version Raw CPE
sqlite sqlite >= 3.8.5, <= 3.29.0 cpe:2.3:a:sqlite:sqlite:*:*:*:*:*:*:*:*
netapp active_iq_unified_manager >= 7.3 cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:*
netapp active_iq_unified_manager >= 9.5 cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
netapp e-series_santricity_os_controller >= 11.0.0, <= 11.60.3 cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
netapp oncommand_insight — cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
netapp oncommand_workflow_automation — cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
netapp ontap_select_deploy_administration_utility — cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
netapp santricity_unified_manager — cpe:2.3:a:netapp:santricity_unified_manager:-:*:*:*:*:*:*:*
netapp steelstore_cloud_integrated_storage — cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 19.04 cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
canonical ubuntu_linux 19.10 cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
fedoraproject fedora 30 cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
tenable nessus_agent <= 8.2.3 cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*
oracle communications_design_studio 7.3.4.3.0 cpe:2.3:a:oracle:communications_design_studio:7.3.4.3.0:*:*:*:*:*:*:*
oracle communications_design_studio 7.3.5.5.0 cpe:2.3:a:oracle:communications_design_studio:7.3.5.5.0:*:*:*:*:*:*:*
oracle communications_design_studio 7.4.0.4.0 cpe:2.3:a:oracle:communications_design_studio:7.4.0.4.0:*:*:*:*:*:*:*
oracle jdk 1.8.0 cpe:2.3:a:oracle:jdk:1.8.0:update231:*:*:*:*:*:*
oracle jre 1.8.0 cpe:2.3:a:oracle:jre:1.8.0:update231:*:*:*:*:*:*
oracle mysql >= 8.0.0, <= 8.0.18 cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
oracle outside_in_technology 8.5.4 cpe:2.3:a:oracle:outside_in_technology:8.5.4:*:*:*:*:*:*:*
oracle solaris 11 cpe:2.3:o:oracle:solaris:11:*:*:*:*:*:*:*
oracle zfs_storage_appliance 8.8 cpe:2.3:o:oracle:zfs_storage_appliance:8.8:*:*:*:*:*:*:*
mcafee policy_auditor < 6.5.1 cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:*

References for CVE-2019-16168

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00032.html Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00033.html Broken Link
https://kc.mcafee.com/corporate/index?page=content&id=SB10365 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XZARJHJJDBHI7CE5PZEBXS5HKK6HXKW2/
https://security.gentoo.org/glsa/202003-16 Third Party Advisory
https://security.netapp.com/advisory/ntap-20190926-0003/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20200122-0003/ Third Party Advisory
https://usn.ubuntu.com/4205-1/ Third Party Advisory
https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg116312.html
https://www.oracle.com/security-alerts/cpuapr2020.html Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html Third Party Advisory
https://www.sqlite.org/src/info/e4598ecbdd18bd82945f6029013296690e719a62 Vendor Advisory
https://www.sqlite.org/src/timeline?c=98357d8c1263920b Patch Vendor Advisory
https://www.tenable.com/security/tns-2021-08 Third Party Advisory
https://www.tenable.com/security/tns-2021-11 Third Party Advisory
https://www.tenable.com/security/tns-2021-14 Third Party Advisory
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