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Fencer Intel
high 7.0

CVE-2016-10151 json

The hesiod_init function in lib/hesiod.c in Hesiod 3.2.1 compares EUID with UID to determine whether to use configurations from environment…

published 2017-03-01 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1339

cvss
7.0
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

The hesiod_init function in lib/hesiod.c in Hesiod 3.2.1 compares EUID with UID to determine whether to use configurations from environment variables, which allows local users to gain privileges via the (1) HESIOD_CONFIG or (2) HES_DOMAIN environment variable and leveraging certain SUID/SGUID binary.

Patch / fix

  • hesiod Debian 14, Debian 13, Debian 12 3.2.1-3.1

debian advisories DEBIAN-CVE-2016-10151

  • hesiod Ubuntu 16.04 LTS 3.2.1-3.1~build0.16.04.1
  • hesiod Ubuntu 18.04 LTS 3.2.1-3.1~build0.18.04.1

ubuntu advisories UBUNTU-CVE-2016-10151

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-10151 updated cvss 7.0

hesiod: Weak SUID check allowing privilege elevation

  • Red Hat Enterprise Linux 5 hesiod Red Hat Enterprise Linux 6 hesiod Red Hat Enterprise Linux 7 hesiod
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.0 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.