DescriptionAn allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when a program with long command line arguments calls syslog. A local attacker may use this flaw to crash systemd-journald or escalate his privileges. Versions through v240 are vulnerable.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1639-1, DSA-4367-1
NVD severitymedium (attack range: local)
Debian Bugs918841

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
systemd (PTS)jessie215-17+deb8u7vulnerable
jessie (security)215-17+deb8u13fixed
stretch (security), stretch232-25+deb9u11fixed
buster, sid241-5fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


Introduced in: (v203)
Exploitable since: (v230)
Fixed by:
Fixes for master:

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