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CVE-2026-66040

HIGH · CVSS 8.8 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-24T20:18:21.063 · Çekilme zamanı: 2026-07-25T06:06:35.494679+00:00

CyberRota Yorumu

Bellek tüketimine neden olabilir. Uzaktan istismar edilebilir olabilir.

Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

Tespit Edilen Sinyaller
arbitrary code execution code execution

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-66040
Severity
HIGH
CVSS
8.8
EPSS
Yok

Orijinal NVD Açıklaması

FFmpeg through 8.1.2, fixed in commit b506faf, contains a heap out-of-bounds write vulnerability in the native PNG and APNG encoders that allows remote attackers to corrupt heap memory by supplying a crafted PNG image with a malicious eXIf chunk. Attackers can craft an eXIf chunk where multiple IFD entries reference the same large value payload, causing canonical serialization to expand the output far beyond the undersized allocation estimated by add_exif_profile_size(), resulting in png_write_chunk() writing tens of thousands of bytes past the buffer boundary, leading to deterministic heap corruption, process crash, and potentially arbitrary code execution.