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CVE-2016-10190

Status: ModifiedCritical (9.8)—PoC
Severity9.8Critical · CVSS 3.0
Exploitation probability8.36 %higher than 95% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitAvailableProof of concept on GitHub (unverified)

Heap-based buffer overflow in libavformat/http.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 allows remote web servers to execute arbitrary code via a negative chunk size in an HTTP response.

CVSS

Base score
9.8
Version
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
8.36 %
Percentile among all scored CVEs
95
Score date
11/3/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

⚠️ GitHub proofs of concept are not verified: some are fake or contain malware. Never run them outside an isolated lab.

Affected technologies (1)

Ffmpeg — Ffmpeg

CWEs

References

Show 14 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2016-10190",
  "cveTags": [],
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      "description": [
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      "lang": "en",
      "value": "Heap-based buffer overflow in libavformat/http.c in FFmpeg before 2.8.10, 3.0.x before 3.0.5, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 allows remote web servers to execute arbitrary code via a negative chunk size in an HTTP response."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer basado en memoria dinámica en libavformat/http.c en FFmpeg en versiones anteriores a 2.8.10, 3.0.x en versiones anteriores a 3.0.5, 3.1.x en versiones anteriores a 3.1.6 y 3.2.x en versiones anteriores a 3.2.2 permite a servidores web remotos ejecutar código arbitrario a través de un tamaño de cantidad negativa en una respuesta HTTP."
    }
  ],
  "lastModified": "2026-06-17T00:39:14.823",
  "configurations": [
    {
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        {
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}