MEDIUMCVSS v3.1 5.5Vulnerability
CVE-2026-125220
FFmpeg through 9.0.2 contains a deadlock vulnerability in mimic_decode_frame() in libavcodec/mimic.c that fails to report frame progress when init_get_bits8() fails. Attackers can supply a crafted file with an oversized Mimic intra frame followed by inter frames to hang frame-threaded decoding indefinitely.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.00127
- Cvss severity
- MEDIUM
- Cvss score
- 5.5
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Last source
- FIRST EPSS
- Score
- 5.5
- Cvss version
- 3.1
- Cve id
- CVE-2026-125220
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-09T23:18:15+00:00
- Name
- CVE-2026-125220
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Published at
- 2026-11-09T19:16:59.343
- Last modified
- 2026-11-10T21:46:26.553
- Epss percentile
- 0.02408
Related Entities (1)
HAS_WEAKNESS (1)
Related research
Explore deeper with Ninja Signal's threat intelligence graph