Stack-based buffer overflow in the nss_dns implementation of the getnetbyname function in…
Priority MEDIUM 43CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 8 fixed, 3 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
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.
Why it matters now
EPSS 0.07335 94th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 8 fixed, 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* | up to 2.23 | Vulnerable | GNU |
| cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* | 23 | Vulnerable | Fedoraproject |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* Versions up to 2.23 Vulnerable ·GNU
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* Versions 23 Vulnerable ·Fedoraproject
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
Remediation
Red Hat 1 advisory
- RHSA-2016:2573 Released 2016-11-03 · Red Hat rating Lowglibc security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) glibc-2.17-157.el7, glibc-common-2.17-157.el7, glibc-devel-2.17-157.el7 +3
- Red Hat Enterprise Linux Client Optional (v. 7) glibc-static-2.17-157.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) glibc-2.17-157.el7, glibc-common-2.17-157.el7, glibc-devel-2.17-157.el7 +3
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) glibc-static-2.17-157.el7
- Red Hat Enterprise Linux Server (v. 7) glibc-2.17-157.el7, glibc-2.17-157.el7.ppc, glibc-common-2.17-157.el7 +5
- Red Hat Enterprise Linux Server Optional (v. 7) glibc-static-2.17-157.el7, glibc-static-2.17-157.el7.ppc
- Red Hat Enterprise Linux Workstation (v. 7) glibc-2.17-157.el7, glibc-common-2.17-157.el7, glibc-devel-2.17-157.el7 +3
- Red Hat Enterprise Linux Workstation Optional (v. 7) glibc-static-2.17-157.el7
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2016:2573 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2016:2573 |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-3075
- 2026-10-03 Alias added: GHSA-7x96-w64p-8chw
References
Sources
- CVE-2016-3075 · CVE Program
- CVE-2016-3075 · NVD
- FIRST EPSS
- GHSA-7x96-w64p-8chw · GitHub Advisory Database · CC BY 4.0
- CVE-2016-3075 · Red Hat security data · CC BY 4.0
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