How severe is CVE-2026-30998?

CVE-2026-30998 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-2026-30998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30998?

CVE-2026-30998 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30998?

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-2026-30998 have an EU (EUVD) identifier?

Yes. CVE-2026-30998 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21974.

When was CVE-2026-30998 published?

CVE-2026-30998 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-30998

CVE-2026-30998 is a high-severity vulnerability in Ffmpeg 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21974
Weakness: CWE-400
Affected product: Ffmpeg
Published: 2026-04-13
Last modified: 2026-06-17

Description

An improper resource deallocation and closure vulnerability in the tools/zmqsend.c component of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input file.

Frequently asked questions

What is CVE-2026-30998?: An improper resource deallocation and closure vulnerability in the tools/zmqsend.c component of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted input file.
How severe is CVE-2026-30998?: CVE-2026-30998 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-2026-30998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30998?: CVE-2026-30998 affects Ffmpeg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30998?: 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-2026-30998 have an EU (EUVD) identifier?: Yes. CVE-2026-30998 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21974.
When was CVE-2026-30998 published?: CVE-2026-30998 was published on 2026-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*

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