LOWCVSS v3.1 3.3Vulnerability
CVE-2026-125175
FFmpeg through 9.0.2 contains an information disclosure vulnerability in flashsv_decode_block() in libavcodec/flashsv.c that copies uninitialized heap memory into decoded frames when inflate output is short. Attackers can supply a crafted FLV with an FSV1 stream whose zlib block data decompresses short, then recover heap contents from the decoded or re-encoded 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-2026-125175
- 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-2026-125175
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Published at
- 2026-11-09T19:16:52.527
- Last modified
- 2026-11-10T21:46:31.733
- Epss percentile
- 0.02519
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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