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Vulnerability record · CVE-2018-19788 · published 3 December 2018

CVE-2018-19788: Polkit project polkit improper input validation vulnerability

Polkit Project · Polkit

A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.

8.8 CVSS 3.0 High EPSS 11% · top 4.1% CWE-20 · Improper input validation
8.8CVSS 3.0 base score, v2 9.0
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
19References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2019:2046
https://access.redhat.com/errata/RHSA-2019:3232
https://bugs.debian.org/915332 Issue TrackingMailing ListThird Party Advisory
https://gitlab.freedesktop.org/polkit/polkit/issues/74 ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201908-14
https://usn.ubuntu.com/3861-1/ Third Party Advisory
https://usn.ubuntu.com/3861-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4350 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2046
https://access.redhat.com/errata/RHSA-2019:3232
https://bugs.debian.org/915332 Issue TrackingMailing ListThird Party Advisory
https://gitlab.freedesktop.org/polkit/polkit/issues/74 ExploitPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201908-14
https://security.netapp.com/advisory/ntap-20240816-0001/
https://usn.ubuntu.com/3861-1/ Third Party Advisory
https://usn.ubuntu.com/3861-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4350 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-19788), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.