VDB
CVE-2023-26551
CVE-2023-26551
PUBLISHED
CVSS 5.6 MEDIUM
Reported by mitre · Published April 11, 2023
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| sntp | Amazon Linux | 4.2.8p15-3.amzn2.0.7 |
| ntpdate | Amazon Linux | 4.2.8p15-3.amzn2.0.7 |
| ntp-perl | Amazon Linux | 4.2.8p15-3.amzn2.0.7 |
Risk scores
CVSS 3.1
5.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| amazon:2 | sntp | 0 |
| amazon:2 | ntpdate | 0 |
| amazon:2 | ntp-perl | 0 |
| n/a | n/a | * |
| amazon:2 | ntp-doc | 0 |
| amazon:2 | ntp | 0 |
Timeline
- Apr 11, 2023 CVE Published
- Apr 12, 2023 EPSS Score (30 in total, the first dated here)
- Feb 11, 2025 CVE Updated
- Mar 21, 2026 Security Advisory (2 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-26551
vulnetix vdb fixes CVE-2023-26551Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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