How severe is CVE-2019-14323?

CVE-2019-14323 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-2019-14323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2019-14323?

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-2019-14323 published?

CVE-2019-14323 was published on 2019-07-28 and last updated on 2026-06-17.

CVE-2019-14323

CVE-2019-14323 is a high-severity vulnerability in Simple Service Discovery Protocol Responder Project Simple Service Discovery Protocol Responder 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-193.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-193
Affected product: Simple Service Discovery Protocol Responder Project Simple Service Discovery Protocol Responder
Published: 2019-07-28
Last modified: 2026-06-17

Description

SSDP Responder 1.x through 1.5 mishandles incoming network messages, leading to a stack-based buffer overflow by 1 byte. This results in a crash of the server, but only when strict stack checking is enabled. This is caused by an off-by-one error in ssdp_recv in ssdpd.c.

Frequently asked questions

What is CVE-2019-14323?: SSDP Responder 1.x through 1.5 mishandles incoming network messages, leading to a stack-based buffer overflow by 1 byte. This results in a crash of the server, but only when strict stack checking is enabled. This is caused by an off-by-one error in ssdp_recv in ssdpd.c.
How severe is CVE-2019-14323?: CVE-2019-14323 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-2019-14323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14323?: CVE-2019-14323 affects Simple Service Discovery Protocol Responder Project Simple Service Discovery Protocol Responder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14323?: 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-2019-14323 published?: CVE-2019-14323 was published on 2019-07-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:simple_service_discovery_protocol_responder_project:simple_service_discovery_protocol_responder:*:*:*:*:*:*:*:*

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