How severe is CVE-2016-1504?

CVE-2016-1504 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-1504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1504?

CVE-2016-1504 affects Dhcpcd Project Dhcpcd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1504?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1504 published?

CVE-2016-1504 was published on 2017-02-07 and last updated on 2026-06-17.

CVE-2016-1504

CVE-2016-1504 is a high-severity vulnerability in Dhcpcd Project Dhcpcd with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Dhcpcd Project Dhcpcd
Published: 2017-02-07
Last modified: 2026-06-17

Description

dhcpcd before 6.10.0 allows remote attackers to cause a denial of service (invalid read and crash) via vectors related to the option length.

Frequently asked questions

What is CVE-2016-1504?: dhcpcd before 6.10.0 allows remote attackers to cause a denial of service (invalid read and crash) via vectors related to the option length.
How severe is CVE-2016-1504?: CVE-2016-1504 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-1504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1504?: CVE-2016-1504 affects Dhcpcd Project Dhcpcd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1504?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1504 published?: CVE-2016-1504 was published on 2017-02-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dhcpcd_project:dhcpcd:*:*:*:*:*:*:*:*

More vulnerabilities in Dhcpcd Project Dhcpcd

CVE-2019-11766 — Critical (CVSS 9.8): dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.
CVE-2019-11577 — Critical (CVSS 9.8): dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when reading NA/TA addresses.
CVE-2016-1503 — Critical (CVSS 9.8): dhcpcd before 6.10.0, as used in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before…
CVE-2012-6700 — High (CVSS 7.5): The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP…
CVE-2012-6699 — High (CVSS 7.5): The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a denial of service…
CVE-2012-6698 — High (CVSS 7.5): The decode_search function in dhcp.c in dhcpcd 3.x allows remote DHCP servers to cause a denial of service…

All CVEs affecting Dhcpcd Project Dhcpcd →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →