How severe is CVE-2019-16164?

CVE-2019-16164 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-16164 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16164?

CVE-2019-16164 affects Myhtml Project Myhtml. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16164?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16164 published?

CVE-2019-16164 was published on 2019-09-09 and last updated on 2026-06-17.

CVE-2019-16164

CVE-2019-16164 is a medium-severity vulnerability in Myhtml Project Myhtml with a CVSS 3.x base score of 6.5. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Myhtml Project Myhtml
Published: 2019-09-09
Last modified: 2026-06-17

Description

MyHTML through 4.0.5 has a NULL pointer dereference in myhtml_tree_node_remove in tree.c.

Frequently asked questions

What is CVE-2019-16164?: MyHTML through 4.0.5 has a NULL pointer dereference in myhtml_tree_node_remove in tree.c.
How severe is CVE-2019-16164?: CVE-2019-16164 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-16164 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16164?: CVE-2019-16164 affects Myhtml Project Myhtml. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16164?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16164 published?: CVE-2019-16164 was published on 2019-09-09 and last updated on 2026-06-17.

References

https://github.com/lexborisov/myhtml/issues/175

Affected products (1)

cpe:2.3:a:myhtml_project:myhtml:*:*:*:*:*:*:*:*

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