Vulnerability · Published Dec 31, 2024 · Assigned by redhat
CVE-2023-6603Ffmpeg: null pointer dereference in ffmpeg hls parsing
High 7.5
In plain English
A high-severity null pointer dereference in FFmpeg. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 52.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:5.0.1-2 | DEBIAN-CVE-2023-6603 |
| Debian:13 | ffmpeg | 7:5.0.1-2 | DEBIAN-CVE-2023-6603 |
| Debian:14 | ffmpeg | 7:5.0.1-2 | DEBIAN-CVE-2023-6603 |
| Ubuntu:25.10 | ffmpeg | no fix listed | UBUNTU-CVE-2023-6603 |
| Ubuntu:26.10 | ffmpeg | no fix listed | UBUNTU-CVE-2023-6603 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| FFmpeg | 3.0 – before 5.* |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- RHBZ#2334335 issue-tracking, x_refsource_REDHAT