Patch Forecast
Amber warning
Patch this week.

CVE-2026-58936

In png_set_tRNS of pngset.c, there is a possible memory corruption due to a use-after-free

Risk score
65/100
CVSS
9.8 v3.1
Exploit chance (30 days)
0.2%
Published
2 Nov 2026

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What to know

What it is
A critical vulnerability in png_set_tRNS of pngset.c allows for remote code execution with no additional privileges needed, leading to potential memory corruption.
Affected
{'products': [], 'packages': [], 'versions': []}
Fix
Check the linked advisory for details on affected products and versions.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 9.8 critical
  • Remotely exploitable without logging in

References

Original description

In png_set_tRNS of pngset.c, there is a possible memory corruption due to a use-after-free. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Last activity 2 Nov 2026. Patch Forecast updates every hour.