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CVE-2019-7317
Description
png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.
POC
Reference
- http://packetstormsecurity.com/files/152561/Slackware-Security-Advisory-libpng-Updates.html
- https://usn.ubuntu.com/3991-1/
- https://usn.ubuntu.com/3997-1/
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html