How severe is CVE-2021-39432?

CVE-2021-39432 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-2021-39432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39432?

CVE-2021-39432 affects Diplib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39432?

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

When was CVE-2021-39432 published?

CVE-2021-39432 was published on 2022-11-04 and last updated on 2026-06-17.

CVE-2021-39432

CVE-2021-39432 is a medium-severity vulnerability in Diplib 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-415.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-415
Affected product: Diplib
Published: 2022-11-04
Last modified: 2026-06-17

Description

diplib v3.0.0 is vulnerable to Double Free.

Frequently asked questions

What is CVE-2021-39432?: diplib v3.0.0 is vulnerable to Double Free.
How severe is CVE-2021-39432?: CVE-2021-39432 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-2021-39432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39432?: CVE-2021-39432 affects Diplib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39432 published?: CVE-2021-39432 was published on 2022-11-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:diplib:diplib:3.0.0:*:*:*:*:*:*:*

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