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FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder (libavcodec/screenpresso.c) that allows attackers to …

中危 CVSS 5.5
CVECVE-2026-70630
首次发现2026-08-07 00:15 UTC
披露时间2026-08-06 22:18 UTC
最后更新2026-08-07 00:15 UTC
通道状态auto

摘要

FFmpeg versions from 3.0 up to, but not including, 9.0 contain an uninitialized heap memory read vulnerability in the native Screenpresso decoder (libavcodec/screenpresso.c) that allows attackers to recover sensitive memory contents by supplying a crafted SPV1 packet with a valid zlib stream that decompresses fewer bytes than the full frame requires. The screenpresso_decode_frame() function fails to validate the produced byte count before calling av_image_copy_plane() to copy the complete frame…

中文摘要建设中，暂以英文摘要呈现（DR-003 v2）。

深度研判 · 自动通道

该漏洞尚未生成深度研判报告（DR-003 v2 AI pipeline 建设中）。

Lint 边界警告 (4)

以下是本次研判 lint 阶段发现的非阻塞性警告（如引用 URL 未在白名单内）。这些不影响漏洞条目可用性，仅为透明度披露（参 DR-002）。

  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/705890061467ad550ecc1dad5eea07f28ccfb43e
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/9a3202a98b2e095b54dd784c3e01a09a676fc3fa
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/c22667d0fd7916a33fd3e79685b7246fc48f1a62
  • REF_URL_NOT_ALLOWLISTED url not in allowlist: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23896

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD