How severe is CVE-2019-5091?

CVE-2019-5091 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-2019-5091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5091?

CVE-2019-5091 affects Leadtools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5091?

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-2019-5091 published?

CVE-2019-5091 was published on 2019-12-12 and last updated on 2026-06-17.

CVE-2019-5091

CVE-2019-5091 is a high-severity vulnerability in Leadtools 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-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Leadtools
Published: 2019-12-12
Last modified: 2026-06-17

Description

An exploitable denial-of-service vulnerability exists in the Dicom-packet parsing functionality of LEADTOOLS libltdic.so version 20.0.2019.3.15. A specially crafted packet can cause an infinite loop, resulting in a denial of service. An attacker can send a packet to trigger this vulnerability.

Frequently asked questions

What is CVE-2019-5091?: An exploitable denial-of-service vulnerability exists in the Dicom-packet parsing functionality of LEADTOOLS libltdic.so version 20.0.2019.3.15. A specially crafted packet can cause an infinite loop, resulting in a denial of service. An attacker can send a packet to trigger this vulnerability.
How severe is CVE-2019-5091?: CVE-2019-5091 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-2019-5091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5091?: CVE-2019-5091 affects Leadtools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5091?: 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-2019-5091 published?: CVE-2019-5091 was published on 2019-12-12 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0883

Affected products (1)

cpe:2.3:a:leadtools:leadtools:20.0.2019.3.15:*:*:*:*:*:*:*

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