| Name | CVE-2023-26551 |
| Description | mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| ntp (PTS) | jessie, jessie (lts) | 1:4.2.6.p5+dfsg-7+deb8u3 | vulnerable |
| stretch | 1:4.2.8p10+dfsg-3+deb9u2 | vulnerable |
| buster, buster (lts) | 1:4.2.8p12+dfsg-4+deb10u1 | vulnerable |
| bullseye | 1:4.2.8p15+dfsg-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ntp | source | (unstable) | (unfixed) | unimportant | | |
Notes
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26551
Negligible security impact, affects only ntpq CLI and testsuite