CVE-2018-15686: systemd systemd

systemd: reexec state injection: fgets() on overlong lines leads to line splitting

CVSS 7.0 HighEPSS 0.023 · 83rd percentile

Published by the CVE Program (CNA: canonical) at 26 Oct 2018, 14:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
systemd	systemd	affected unspecified to 239, inclusive custom

Identifiers

CVE-2018-15686

CNA

canonical

Weakness (CWE)

CWE-502

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.0	High	3.0	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (canonical)

CISA KEV Not listed.
EPSS 0.023, the 83rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Oct 2018. New records show when each source confirmed them.

Sources

References from the CNA

security.gentoo.org/glsa/201810-10 vendor-advisorygentoo
lists.debian.org/debian-lts-announce/2018/11/msg00017.html mailing-listmlist
www.securityfocus.com/bid/105747 vdb-entrybid
usn.ubuntu.com/3816-1/ vendor-advisoryubuntu
access.redhat.com/errata/RHSA-2019:2091 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2019:3222 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2020:0593 vendor-advisoryredhat
lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E mailing-listmlist
www.oracle.com//security-alerts/cpujul2021.html
github.com/systemd/systemd/pull/10519
www.exploit-db.com/exploits/45714/ exploitexploit-db

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.