LOWCVSS v3.1 3.3Vulnerability
CVE-2026-125103
FFmpeg through 9.0.2 contains an information disclosure vulnerability in ff_mlz_decompression() in libavcodec/mlz.c, which accepts string codes beyond the dictionary's next free code. Attackers can supply a crafted MPEG-4 ALS file with malformed initial or out-of-range codes to copy uninitialized heap bytes into decoded audio output.
Properties
- Severity
- LOW
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.00128
- Cvss severity
- LOW
- Cvss score
- 3.3
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Last source
- FIRST EPSS
- Score
- 3.3
- Cvss version
- 3.1
- Cve id
- CVE-2026-125103
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- First seen by Signal
- 2026-11-09T23:18:14+00:00
- Name
- CVE-2026-125103
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Published at
- 2026-11-09T19:16:51.480
- Last modified
- 2026-11-10T21:46:35.983
- Epss percentile
- 0.02518
Related Entities (1)
HAS_WEAKNESS (1)
Related research
Explore deeper with Ninja Signal's threat intelligence graph