CVE-2018-19788
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.6%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 11.58% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- polkit project/polkit · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS moved from 9.2% on 21 September 2026 to 11.6% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://access.redhat.com/errata/RHSA-2019:2046
- https://access.redhat.com/errata/RHSA-2019:3232
- https://bugs.debian.org/915332Issue Tracking, Mailing List, Third Party Advisory
- https://gitlab.freedesktop.org/polkit/polkit/issues/74Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00021.htmlThird 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-4350Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2046
- https://access.redhat.com/errata/RHSA-2019:3232
- https://bugs.debian.org/915332Issue Tracking, Mailing List, Third Party Advisory
- https://gitlab.freedesktop.org/polkit/polkit/issues/74Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00021.htmlThird 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-4350Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.