# CVE-2023-6602: ffmpeg: A flaw was found in FFmpeg's TTY Demuxer

CVE-2023-6602 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2023-6602, released December 31, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-6602
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0051
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 31, 2024

## Description

A flaw was found in FFmpeg's TTY Demuxer. This vulnerability allows possible data exfiltration via improper parsing of non-TTY-compliant input files in HLS playlists.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ffmpeg Debian 11.6 (bullseye) | 7:4.3.9-0+deb11u1 | [DLA-4241-1](https://patchblox.com/security/data/fix/linux/dla-4241-1.md) | Jul 14, 2025 |
| Linux | ffmpeg Debian 12.15 (bookworm) | 7:5.1.7-0+deb12u1 | [DEBIAN-CVE-2023-6602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6602.md) | Dec 31, 2024 |
| Linux | ffmpeg Debian 13.5 (trixie) | 7:7.1.1-1 | [DEBIAN-CVE-2023-6602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6602.md) | Dec 31, 2024 |
| Linux | ffmpeg Debian 14 | 7:7.1.1-1 | [DEBIAN-CVE-2023-6602](https://patchblox.com/security/data/fix/linux/debian-cve-2023-6602.md) | Dec 31, 2024 |
| Linux | ffmpeg-7 opensuse-leap 16.0 | 7.1.5-160000.1.1 | [OPENSUSE-SU-2026:21877-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21877-1.md) | Sep 18, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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