CVE-2026-5450

ADVISORY - nist

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.

EPSS Score: 0.00049 (0.154)

Common Weakness Enumeration (CWE)

ADVISORY - nist

Heap-based Buffer Overflow

Out-of-bounds Write


NIST

CREATED

UPDATED

ADVISORY IDCVE-2026-5450
EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND
COMMON WEAKNESS ENUMERATION (CWE)

CVSS SCORE

9.8critical

Debian

CREATED

UPDATED

ADVISORY IDCVE-2026-5450
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

UPDATED

ADVISORY IDCVE-2026-5450
EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

UPDATED

ADVISORY ID

CGA-m5jw-vxxx-6fc8

EXPLOITABILITY SCORE

-

EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
RATING UNAVAILABLE FROM ADVISORY