MEDIUMCVSS v3.1 5.3Vulnerability
CVE-2026-125255
FFmpeg through 9.0.2 contains a use after free vulnerability in libavcodec/mjpegdec.c that allows attackers to trigger freed buffer reads by sending a SOF marker without a preceding SOI. Attackers can supply crafted MJPEG streams causing ff_mjpeg_decode_sof() to pass a stale raw_image_buffer pointer to hwaccel decoders like NVDEC, crashing applications or leaking heap contents.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.00118
- Cvss severity
- MEDIUM
- Cvss score
- 5.3
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Last source
- FIRST EPSS
- Score
- 5.3
- Cvss version
- 3.1
- Cve id
- CVE-2026-125255
- Cvss vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H
- First seen by Signal
- 2026-11-09T23:18:15+00:00
- Name
- CVE-2026-125255
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:H
- Published at
- 2026-11-09T20:18:11.633
- Last modified
- 2026-11-10T21:46:41.577
- Epss percentile
- 0.01742
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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