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Fencer Vulns
high 7.5

CVE-2016-3075 json

Stack-based buffer overflow in the nss_dns implementation of the getnetbyname function in GNU C Library (aka glibc) before 2.24 allows cont…

published 2016-06-01 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4145

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.3%
EPSS 7.3% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Stack-based buffer overflow in the nss_dns implementation of the getnetbyname function in GNU C Library (aka glibc) before 2.24 allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a long name.

Patch / fix

  • glibc Debian 14, Debian 13, Debian 12 2.22-6

debian advisories DEBIAN-CVE-2016-3075

  • eglibc Ubuntu 14.04 LTS 2.19-0ubuntu6.8

ubuntu advisories UBUNTU-CVE-2016-3075

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

  • glibc RHEL 7 2.17-157.el7
  • nscd RHEL 7 2.17-157.el7
  • glibc-utils RHEL 7 2.17-157.el7
  • glibc-common RHEL 7 2.17-157.el7
  • glibc-debuginfo-common RHEL 7 2.17-157.el7

red hat advisories RHSA-2016:2573

  • glibc SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 2.11.3-17.102.1
  • glibc SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 2.19-38.2
  • glibc SLES for SAP 12, SLES 12, SLED 12 +1 more 2.19-22.16.2

suse advisories SUSE-SU-2016:2156-1SUSE-SU-2016:1733-1SUSE-SU-2016:1721-1

  • glibc openSUSE Tumbleweed 2.24-2.3

opensuse advisories openSUSE-SU-2024:10154-1

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-2016-3075 updated cvss 7.0

glibc: Stack overflow in nss_dns_getnetbyname_r

  • Red Hat Enterprise Linux 5 glibc, compat-glibc Red Hat Enterprise Linux 6 nscd, glibc, glibc-utils, compat-glibc, glibc-common
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 7 compat-glibc
    affected: no fix available
  • Red Hat Enterprise Linux Client (v. 7) nscd 2.17-157.el7, glibc 2.17-157.el7, glibc-utils 2.17-157.el7, glibc-common 2.17-157.el7, glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux Client Optional (v. 7) glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux ComputeNode (v. 7) nscd 2.17-157.el7, glibc 2.17-157.el7, glibc-utils 2.17-157.el7, glibc-common 2.17-157.el7, glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux Server (v. 7) nscd 2.17-157.el7, glibc 2.17-157.el7, glibc-utils 2.17-157.el7, glibc-common 2.17-157.el7, glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux Server Optional (v. 7) glibc-debuginfo-common 2.17-157.el7
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 7) nscd 2.17-157.el7, glibc 2.17-157.el7, glibc-utils 2.17-157.el7, glibc-common 2.17-157.el7, glibc-debuginfo-common 2.17-157.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) glibc-debuginfo-common 2.17-157.el7
    fixed: vendor fix RHSA-2016:2573

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

7.33% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.