TerminalFix: PNG Steganography, (Mon, Sep 21st)
SANS analyzes the TerminalFix malware campaign, which hides a malicious DLL inside PNG pixel data via steganography and DLL side-loading.
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Stories per day · 30 days
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5 stories, newest first · one card per story
Stories tagged #png
CVE-2026-73639: Imager::File::PNG versions from 1.003 before 1.004 for Perl write past the end of the row buffer reading a PNG with a tRNS transparency chunk in read_direct8
Perl module Imager::File::PNG before 1.004 writes past the end of the row buffer when reading PNGs with a tRNS transparency chunk.
Multiple VLC Media Player Vulnerabilities Allow Attackers to Corrupt or Read Heap Memory
Two VLC 3.0 flaws, CVE-2026-56711 (heap corruption, CVSS 8.6) and CVE-2026-73324 (memory leak), let crafted PNGs or RTSP playlists corrupt memory or leak data.
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VLC Media Player Flaws Let Attackers Corrupt Memory and Leak Sensitive Data
VLC 3.0.0-3.0.23 has two flaws: a heap out-of-bounds write via malicious PNGs (CVE-2026-56711) and an out-of-bounds read via hostile RealRTSP servers.
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Attack hides malware in PNGs and drops custom reverse tunnel on victims' machines
A ClickFix social engineering wave delivers a multi-stage attack that hides malware in PNG files and installs a custom reverse tunnel.
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