NULL pointer dereference in Ffmpeg

CVE-2023-6603

A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.

EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6603?
CVE-2023-6603 is a high-severity vulnerability in Ffmpeg, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2024-12-31.
How severe is CVE-2023-6603?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-6603 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.