How severe is CVE-2025-66379?

CVE-2025-66379 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-2025-66379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66379?

CVE-2025-66379 affects Pexip Pexip Infinity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66379?

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-2025-66379 have an EU (EUVD) identifier?

Yes. CVE-2025-66379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205364.

When was CVE-2025-66379 published?

CVE-2025-66379 was published on 2025-12-25 and last updated on 2026-06-17.

CVE-2025-66379

CVE-2025-66379 is a high-severity vulnerability in Pexip Pexip Infinity 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-617.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205364
Weakness: CWE-617
Affected product: Pexip Pexip Infinity
Published: 2025-12-25
Last modified: 2026-06-17

Description

Pexip Infinity before 39.0 has Improper Input Validation in the media implementation, allowing a remote attacker to trigger a software abort via a crafted media stream, resulting in a denial of service.

Frequently asked questions

What is CVE-2025-66379?: Pexip Infinity before 39.0 has Improper Input Validation in the media implementation, allowing a remote attacker to trigger a software abort via a crafted media stream, resulting in a denial of service.
How severe is CVE-2025-66379?: CVE-2025-66379 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-2025-66379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66379?: CVE-2025-66379 affects Pexip Pexip Infinity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66379?: 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-2025-66379 have an EU (EUVD) identifier?: Yes. CVE-2025-66379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205364.
When was CVE-2025-66379 published?: CVE-2025-66379 was published on 2025-12-25 and last updated on 2026-06-17.

References

https://docs.pexip.com/admin/security_bulletins.htm

Affected products (1)

cpe:2.3:a:pexip:pexip_infinity:*:*:*:*:*:*:*:*

More vulnerabilities in Pexip Pexip Infinity

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Other CWE-617 (Reachable Assertion) vulnerabilities

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CVE-2020-12417 — High (CVSS 8.8): Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in…
CVE-2020-6623 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__cff_get_index.
CVE-2020-6619 — High (CVSS 8.8): stb stb_truetype.h through 1.22 has an assertion failure in stbtt__buf_seek.

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