CVE-2026-5450

Description

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.

References

https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450

https://inbox.sourceware.org/libc-announce/[email protected]/T/#u

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3