CVE-2022-48434

Published Mar 29, 2023

Last updated a month ago

Overview

Description: libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 8.1
Impact score: 5.9
Exploitability score: 2.2
Vector string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-416
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "39E4C063-39E1-4EF3-995F-FF4561FDF466",
            "versionEndExcluding": "5.1.2"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References