CVE-2026-5450
Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version
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.
CRITICAL · CVSS 9.8
EPSS 0.00073
Act now
- Public exploit or PoC is available
- SSVC automatable: yes - attacks can be scripted at scale
- CVSS base score ≥ 7.0
Sigma rules0
YARA rules0