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Unrated severityNVD Advisory· Published Apr 16, 2015· Updated Jun 17, 2026

CVE-2015-1821

CVE-2015-1821

Description

Heap-based buffer overflow in chrony before 1.31.1 allows remote authenticated users to cause a denial of service (chronyd crash) or possibly execute arbitrary code by configuring the (1) NTP or (2) cmdmon access with a subnet size that is indivisible by four and an address with a nonzero bit in the subnet remainder.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Chrony/Chronyinferred3 versions
    <1.31.1+ 2 more
    • (no CPE)range: <1.31.1
    • cpe:2.3:a:tuxfamily:chrony:*:*:*:*:*:*:*:*range: <=1.31
    • (no CPE)range: <1.31.1
  • Debian/linux
    cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

5

News mentions

0

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