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CVE-2026-34757 LIBPNG has a yse-after-free in png_set_PLTE, png_set_tRNS and png_set_hIST leading to corrupted chunk data and potential heap information disclosure

🗓️ 09 Apr 2026 14:41:18Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

LIBPNG use-after-free in png_set_PLTE, tRNS, hIST can read freed memory, causing data corruption and heap disclosure; fixed in 1.6.57.

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15 Jul 2026 23:33Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.1
EPSS0.00195
2