← Vulnerability feed

Vulnerability record · CVE-2026-40227 · published 10 April 2026

CVE-2026-40227: Systemd project systemd vulnerability

Systemd Project · Systemd

In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.

5.5 CVSS 3.1 Medium EPSS 0.29% · top 80.8% CWE-1025 · CWE-1025
5.5CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array or map that has a null element.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
https://github.com/systemd/systemd/security/advisories/GHSA-848h-497j-8vjq Vendor Advisory

Track CVE-2026-40227 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-2526Systemd project systemd use after free vulnerabilityA use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and dns_stream_complete() function in 'reso…EPSS 1.3%9.8CVE-2018-21029Systemd project systemd improper certificate validation vulnerabilitysystemd 239 through 245 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent,…EPSS 3.1%9.8CVE-2015-7510Systemd project systemd memory buffer overflow vulnerabilityStack-based buffer overflow in the getpwnam and getgrnam functions of the NSS module nss-mymachines in systemd.EPSS 4.3%9.8CVE-2017-1000082Systemd project systemd improper privilege management vulnerabilitysystemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. "0day"), running the service in question with root privi…EPSS 3.9%8.8CVE-2018-15688Systemd project systemd classic buffer overflow vulnerabilityA buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected…EPSS 1.7%7.8CVE-2023-26604Debian linux improper privilege management vulnerabilitysystemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible sudoers files in which the "sys…EPSS 1.1%7.8CVE-2020-1712Systemd project systemd use after free vulnerabilityA heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus…EPSS 0.46%7.8CVE-2019-3843Systemd project systemd improper privilege management vulnerabilityIt was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient s…EPSS 0.94%

Source: NIST National Vulnerability Database (record CVE-2026-40227), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.