CVE-2023-26554

NameCVE-2023-26554
Descriptionmstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write when adding a '\0' character. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ntp (PTS)bullseye1:4.2.8p15+dfsg-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ntpsource(unstable)(unfixed)unimportant

Notes

https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26554
Negligible security impact, affects only ntpq CLI and testsuite

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