How severe is CVE-2024-53319?

CVE-2024-53319 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-2024-53319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-53319?

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.

Does CVE-2024-53319 have an EU (EUVD) identifier?

Yes. CVE-2024-53319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51948.

When was CVE-2024-53319 published?

CVE-2024-53319 was published on 2025-01-31 and last updated on 2026-06-17.

CVE-2024-53319

CVE-2024-53319 is a high-severity vulnerability 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-51948
Weakness: CWE-120
Published: 2025-01-31
Last modified: 2026-06-17

Description

A heap buffer overflow in the XML Text Escaping component of Qualisys C++ SDK commit a32a21a allows attackers to cause Denial of Service (DoS) via escaping special XML characters.

Frequently asked questions

What is CVE-2024-53319?: A heap buffer overflow in the XML Text Escaping component of Qualisys C++ SDK commit a32a21a allows attackers to cause Denial of Service (DoS) via escaping special XML characters.
How severe is CVE-2024-53319?: CVE-2024-53319 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-2024-53319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-53319?: 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.
Does CVE-2024-53319 have an EU (EUVD) identifier?: Yes. CVE-2024-53319 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-51948.
When was CVE-2024-53319 published?: CVE-2024-53319 was published on 2025-01-31 and last updated on 2026-06-17.

References

https://github.com/qualisys/qualisys_cpp_sdk/issues/49

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