cvedb.io
CVE-2026-5450
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-04-20T21:16:36.850 · Last modified 2026-06-17T10:59:02.953

Summary

Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.

Affected products

gnu — glibc

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.