CVE-2021-36531

HIGH 8.8CVE-2021-36531 · Published 27/08/2021 · updated 17/06/2026

In short

CVE-2021-36531 is a HIGH (CVSS 8.8) vulnerability affecting ngiflib (miniupnp project).
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 64.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
ngiflib miniupnp_project	`= 0.4`	No fix yet

ngiflib 0.4 has a heap overflow in GetByte() at ngiflib.c:70 in NGIFLIB_NO_FILE mode, GetByte() reads memory buffer without checking the boundary.

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Package

Affected versions

Patched versions

= 0.4

No fix yet

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