How severe is CVE-2023-49528?

CVE-2023-49528 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-49528 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-2023-49528?

CVE-2023-49528 primarily affects Ffmpeg. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-49528?

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-2023-49528 have an EU (EUVD) identifier?

Yes. CVE-2023-49528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53485.

When was CVE-2023-49528 published?

CVE-2023-49528 was published on 2024-04-12 and last updated on 2026-06-17.

CVE-2023-49528

CVE-2023-49528 is a high-severity vulnerability in Ffmpeg with a CVSS 3.x base score of 8.0. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53485
Weakness: CWE-122
Affected product: Ffmpeg
Published: 2024-04-12
Last modified: 2026-06-17

Description

Buffer Overflow vulnerability in FFmpeg version n6.1-3-g466799d4f5, allows a local attacker to execute arbitrary code and cause a denial of service (DoS) via the af_dialoguenhance.c:261:5 in the de_stereo component.

Frequently asked questions

What is CVE-2023-49528?: Buffer Overflow vulnerability in FFmpeg version n6.1-3-g466799d4f5, allows a local attacker to execute arbitrary code and cause a denial of service (DoS) via the af_dialoguenhance.c:261:5 in the de_stereo component.
How severe is CVE-2023-49528?: CVE-2023-49528 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-49528 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-2023-49528?: CVE-2023-49528 primarily affects Ffmpeg. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-49528?: 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-2023-49528 have an EU (EUVD) identifier?: Yes. CVE-2023-49528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53485.
When was CVE-2023-49528 published?: CVE-2023-49528 was published on 2024-04-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:ffmpeg:ffmpeg:6.1:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

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